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* elf-m10300.c (_bfd_mn10300_elf_finish_dynamic_symbol): Use the
[deliverable/binutils-gdb.git] / bfd / elf32-sh.c
1 /* Renesas / SuperH SH specific support for 32-bit ELF
2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
3 2006 Free Software Foundation, Inc.
4 Contributed by Ian Lance Taylor, Cygnus Support.
5
6 This file is part of BFD, the Binary File Descriptor library.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
21
22 #include "bfd.h"
23 #include "sysdep.h"
24 #include "bfdlink.h"
25 #include "libbfd.h"
26 #include "elf-bfd.h"
27 #include "elf/sh.h"
28 #include "libiberty.h"
29 #include "../opcodes/sh-opc.h"
30
31 static bfd_reloc_status_type sh_elf_reloc
32 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
33 static bfd_reloc_status_type sh_elf_ignore_reloc
34 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
35 static bfd_boolean sh_elf_relax_delete_bytes
36 (bfd *, asection *, bfd_vma, int);
37 static bfd_boolean sh_elf_align_loads
38 (bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
39 #ifndef SH64_ELF
40 static bfd_boolean sh_elf_swap_insns
41 (bfd *, asection *, void *, bfd_byte *, bfd_vma);
42 #endif
43 static int sh_elf_optimized_tls_reloc
44 (struct bfd_link_info *, int, int);
45 static bfd_vma dtpoff_base
46 (struct bfd_link_info *);
47 static bfd_vma tpoff
48 (struct bfd_link_info *, bfd_vma);
49
50 /* The name of the dynamic interpreter. This is put in the .interp
51 section. */
52
53 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
54
55 static reloc_howto_type sh_elf_howto_table[] =
56 {
57 /* No relocation. */
58 HOWTO (R_SH_NONE, /* type */
59 0, /* rightshift */
60 0, /* size (0 = byte, 1 = short, 2 = long) */
61 0, /* bitsize */
62 FALSE, /* pc_relative */
63 0, /* bitpos */
64 complain_overflow_dont, /* complain_on_overflow */
65 sh_elf_ignore_reloc, /* special_function */
66 "R_SH_NONE", /* name */
67 FALSE, /* partial_inplace */
68 0, /* src_mask */
69 0, /* dst_mask */
70 FALSE), /* pcrel_offset */
71
72 /* 32 bit absolute relocation. Setting partial_inplace to TRUE and
73 src_mask to a non-zero value is similar to the COFF toolchain. */
74 HOWTO (R_SH_DIR32, /* type */
75 0, /* rightshift */
76 2, /* size (0 = byte, 1 = short, 2 = long) */
77 32, /* bitsize */
78 FALSE, /* pc_relative */
79 0, /* bitpos */
80 complain_overflow_bitfield, /* complain_on_overflow */
81 sh_elf_reloc, /* special_function */
82 "R_SH_DIR32", /* name */
83 TRUE, /* partial_inplace */
84 0xffffffff, /* src_mask */
85 0xffffffff, /* dst_mask */
86 FALSE), /* pcrel_offset */
87
88 /* 32 bit PC relative relocation. */
89 HOWTO (R_SH_REL32, /* type */
90 0, /* rightshift */
91 2, /* size (0 = byte, 1 = short, 2 = long) */
92 32, /* bitsize */
93 TRUE, /* pc_relative */
94 0, /* bitpos */
95 complain_overflow_signed, /* complain_on_overflow */
96 sh_elf_ignore_reloc, /* special_function */
97 "R_SH_REL32", /* name */
98 TRUE, /* partial_inplace */
99 0xffffffff, /* src_mask */
100 0xffffffff, /* dst_mask */
101 TRUE), /* pcrel_offset */
102
103 /* 8 bit PC relative branch divided by 2. */
104 HOWTO (R_SH_DIR8WPN, /* type */
105 1, /* rightshift */
106 1, /* size (0 = byte, 1 = short, 2 = long) */
107 8, /* bitsize */
108 TRUE, /* pc_relative */
109 0, /* bitpos */
110 complain_overflow_signed, /* complain_on_overflow */
111 sh_elf_ignore_reloc, /* special_function */
112 "R_SH_DIR8WPN", /* name */
113 TRUE, /* partial_inplace */
114 0xff, /* src_mask */
115 0xff, /* dst_mask */
116 TRUE), /* pcrel_offset */
117
118 /* 12 bit PC relative branch divided by 2. */
119 /* This cannot be partial_inplace because relaxation can't know the
120 eventual value of a symbol. */
121 HOWTO (R_SH_IND12W, /* type */
122 1, /* rightshift */
123 1, /* size (0 = byte, 1 = short, 2 = long) */
124 12, /* bitsize */
125 TRUE, /* pc_relative */
126 0, /* bitpos */
127 complain_overflow_signed, /* complain_on_overflow */
128 NULL, /* special_function */
129 "R_SH_IND12W", /* name */
130 FALSE, /* partial_inplace */
131 0x0, /* src_mask */
132 0xfff, /* dst_mask */
133 TRUE), /* pcrel_offset */
134
135 /* 8 bit unsigned PC relative divided by 4. */
136 HOWTO (R_SH_DIR8WPL, /* type */
137 2, /* rightshift */
138 1, /* size (0 = byte, 1 = short, 2 = long) */
139 8, /* bitsize */
140 TRUE, /* pc_relative */
141 0, /* bitpos */
142 complain_overflow_unsigned, /* complain_on_overflow */
143 sh_elf_ignore_reloc, /* special_function */
144 "R_SH_DIR8WPL", /* name */
145 TRUE, /* partial_inplace */
146 0xff, /* src_mask */
147 0xff, /* dst_mask */
148 TRUE), /* pcrel_offset */
149
150 /* 8 bit unsigned PC relative divided by 2. */
151 HOWTO (R_SH_DIR8WPZ, /* type */
152 1, /* rightshift */
153 1, /* size (0 = byte, 1 = short, 2 = long) */
154 8, /* bitsize */
155 TRUE, /* pc_relative */
156 0, /* bitpos */
157 complain_overflow_unsigned, /* complain_on_overflow */
158 sh_elf_ignore_reloc, /* special_function */
159 "R_SH_DIR8WPZ", /* name */
160 TRUE, /* partial_inplace */
161 0xff, /* src_mask */
162 0xff, /* dst_mask */
163 TRUE), /* pcrel_offset */
164
165 /* 8 bit GBR relative. FIXME: This only makes sense if we have some
166 special symbol for the GBR relative area, and that is not
167 implemented. */
168 HOWTO (R_SH_DIR8BP, /* type */
169 0, /* rightshift */
170 1, /* size (0 = byte, 1 = short, 2 = long) */
171 8, /* bitsize */
172 FALSE, /* pc_relative */
173 0, /* bitpos */
174 complain_overflow_unsigned, /* complain_on_overflow */
175 sh_elf_ignore_reloc, /* special_function */
176 "R_SH_DIR8BP", /* name */
177 FALSE, /* partial_inplace */
178 0, /* src_mask */
179 0xff, /* dst_mask */
180 TRUE), /* pcrel_offset */
181
182 /* 8 bit GBR relative divided by 2. FIXME: This only makes sense if
183 we have some special symbol for the GBR relative area, and that
184 is not implemented. */
185 HOWTO (R_SH_DIR8W, /* type */
186 1, /* rightshift */
187 1, /* size (0 = byte, 1 = short, 2 = long) */
188 8, /* bitsize */
189 FALSE, /* pc_relative */
190 0, /* bitpos */
191 complain_overflow_unsigned, /* complain_on_overflow */
192 sh_elf_ignore_reloc, /* special_function */
193 "R_SH_DIR8W", /* name */
194 FALSE, /* partial_inplace */
195 0, /* src_mask */
196 0xff, /* dst_mask */
197 TRUE), /* pcrel_offset */
198
199 /* 8 bit GBR relative divided by 4. FIXME: This only makes sense if
200 we have some special symbol for the GBR relative area, and that
201 is not implemented. */
202 HOWTO (R_SH_DIR8L, /* type */
203 2, /* rightshift */
204 1, /* size (0 = byte, 1 = short, 2 = long) */
205 8, /* bitsize */
206 FALSE, /* pc_relative */
207 0, /* bitpos */
208 complain_overflow_unsigned, /* complain_on_overflow */
209 sh_elf_ignore_reloc, /* special_function */
210 "R_SH_DIR8L", /* name */
211 FALSE, /* partial_inplace */
212 0, /* src_mask */
213 0xff, /* dst_mask */
214 TRUE), /* pcrel_offset */
215
216 /* 8 bit PC relative divided by 2 - but specified in a very odd way. */
217 HOWTO (R_SH_LOOP_START, /* type */
218 1, /* rightshift */
219 1, /* size (0 = byte, 1 = short, 2 = long) */
220 8, /* bitsize */
221 FALSE, /* pc_relative */
222 0, /* bitpos */
223 complain_overflow_signed, /* complain_on_overflow */
224 sh_elf_ignore_reloc, /* special_function */
225 "R_SH_LOOP_START", /* name */
226 TRUE, /* partial_inplace */
227 0xff, /* src_mask */
228 0xff, /* dst_mask */
229 TRUE), /* pcrel_offset */
230
231 /* 8 bit PC relative divided by 2 - but specified in a very odd way. */
232 HOWTO (R_SH_LOOP_END, /* type */
233 1, /* rightshift */
234 1, /* size (0 = byte, 1 = short, 2 = long) */
235 8, /* bitsize */
236 FALSE, /* pc_relative */
237 0, /* bitpos */
238 complain_overflow_signed, /* complain_on_overflow */
239 sh_elf_ignore_reloc, /* special_function */
240 "R_SH_LOOP_END", /* name */
241 TRUE, /* partial_inplace */
242 0xff, /* src_mask */
243 0xff, /* dst_mask */
244 TRUE), /* pcrel_offset */
245
246 EMPTY_HOWTO (12),
247 EMPTY_HOWTO (13),
248 EMPTY_HOWTO (14),
249 EMPTY_HOWTO (15),
250 EMPTY_HOWTO (16),
251 EMPTY_HOWTO (17),
252 EMPTY_HOWTO (18),
253 EMPTY_HOWTO (19),
254 EMPTY_HOWTO (20),
255 EMPTY_HOWTO (21),
256
257 /* The remaining relocs are a GNU extension used for relaxing. The
258 final pass of the linker never needs to do anything with any of
259 these relocs. Any required operations are handled by the
260 relaxation code. */
261
262 /* GNU extension to record C++ vtable hierarchy */
263 HOWTO (R_SH_GNU_VTINHERIT, /* type */
264 0, /* rightshift */
265 2, /* size (0 = byte, 1 = short, 2 = long) */
266 0, /* bitsize */
267 FALSE, /* pc_relative */
268 0, /* bitpos */
269 complain_overflow_dont, /* complain_on_overflow */
270 NULL, /* special_function */
271 "R_SH_GNU_VTINHERIT", /* name */
272 FALSE, /* partial_inplace */
273 0, /* src_mask */
274 0, /* dst_mask */
275 FALSE), /* pcrel_offset */
276
277 /* GNU extension to record C++ vtable member usage */
278 HOWTO (R_SH_GNU_VTENTRY, /* type */
279 0, /* rightshift */
280 2, /* size (0 = byte, 1 = short, 2 = long) */
281 0, /* bitsize */
282 FALSE, /* pc_relative */
283 0, /* bitpos */
284 complain_overflow_dont, /* complain_on_overflow */
285 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
286 "R_SH_GNU_VTENTRY", /* name */
287 FALSE, /* partial_inplace */
288 0, /* src_mask */
289 0, /* dst_mask */
290 FALSE), /* pcrel_offset */
291
292 /* An 8 bit switch table entry. This is generated for an expression
293 such as ``.word L1 - L2''. The offset holds the difference
294 between the reloc address and L2. */
295 HOWTO (R_SH_SWITCH8, /* type */
296 0, /* rightshift */
297 0, /* size (0 = byte, 1 = short, 2 = long) */
298 8, /* bitsize */
299 FALSE, /* pc_relative */
300 0, /* bitpos */
301 complain_overflow_unsigned, /* complain_on_overflow */
302 sh_elf_ignore_reloc, /* special_function */
303 "R_SH_SWITCH8", /* name */
304 FALSE, /* partial_inplace */
305 0, /* src_mask */
306 0, /* dst_mask */
307 TRUE), /* pcrel_offset */
308
309 /* A 16 bit switch table entry. This is generated for an expression
310 such as ``.word L1 - L2''. The offset holds the difference
311 between the reloc address and L2. */
312 HOWTO (R_SH_SWITCH16, /* type */
313 0, /* rightshift */
314 1, /* size (0 = byte, 1 = short, 2 = long) */
315 16, /* bitsize */
316 FALSE, /* pc_relative */
317 0, /* bitpos */
318 complain_overflow_unsigned, /* complain_on_overflow */
319 sh_elf_ignore_reloc, /* special_function */
320 "R_SH_SWITCH16", /* name */
321 FALSE, /* partial_inplace */
322 0, /* src_mask */
323 0, /* dst_mask */
324 TRUE), /* pcrel_offset */
325
326 /* A 32 bit switch table entry. This is generated for an expression
327 such as ``.long L1 - L2''. The offset holds the difference
328 between the reloc address and L2. */
329 HOWTO (R_SH_SWITCH32, /* type */
330 0, /* rightshift */
331 2, /* size (0 = byte, 1 = short, 2 = long) */
332 32, /* bitsize */
333 FALSE, /* pc_relative */
334 0, /* bitpos */
335 complain_overflow_unsigned, /* complain_on_overflow */
336 sh_elf_ignore_reloc, /* special_function */
337 "R_SH_SWITCH32", /* name */
338 FALSE, /* partial_inplace */
339 0, /* src_mask */
340 0, /* dst_mask */
341 TRUE), /* pcrel_offset */
342
343 /* Indicates a .uses pseudo-op. The compiler will generate .uses
344 pseudo-ops when it finds a function call which can be relaxed.
345 The offset field holds the PC relative offset to the instruction
346 which loads the register used in the function call. */
347 HOWTO (R_SH_USES, /* type */
348 0, /* rightshift */
349 1, /* size (0 = byte, 1 = short, 2 = long) */
350 0, /* bitsize */
351 FALSE, /* pc_relative */
352 0, /* bitpos */
353 complain_overflow_unsigned, /* complain_on_overflow */
354 sh_elf_ignore_reloc, /* special_function */
355 "R_SH_USES", /* name */
356 FALSE, /* partial_inplace */
357 0, /* src_mask */
358 0, /* dst_mask */
359 TRUE), /* pcrel_offset */
360
361 /* The assembler will generate this reloc for addresses referred to
362 by the register loads associated with USES relocs. The offset
363 field holds the number of times the address is referenced in the
364 object file. */
365 HOWTO (R_SH_COUNT, /* type */
366 0, /* rightshift */
367 1, /* size (0 = byte, 1 = short, 2 = long) */
368 0, /* bitsize */
369 FALSE, /* pc_relative */
370 0, /* bitpos */
371 complain_overflow_unsigned, /* complain_on_overflow */
372 sh_elf_ignore_reloc, /* special_function */
373 "R_SH_COUNT", /* name */
374 FALSE, /* partial_inplace */
375 0, /* src_mask */
376 0, /* dst_mask */
377 TRUE), /* pcrel_offset */
378
379 /* Indicates an alignment statement. The offset field is the power
380 of 2 to which subsequent portions of the object file must be
381 aligned. */
382 HOWTO (R_SH_ALIGN, /* type */
383 0, /* rightshift */
384 1, /* size (0 = byte, 1 = short, 2 = long) */
385 0, /* bitsize */
386 FALSE, /* pc_relative */
387 0, /* bitpos */
388 complain_overflow_unsigned, /* complain_on_overflow */
389 sh_elf_ignore_reloc, /* special_function */
390 "R_SH_ALIGN", /* name */
391 FALSE, /* partial_inplace */
392 0, /* src_mask */
393 0, /* dst_mask */
394 TRUE), /* pcrel_offset */
395
396 /* The assembler will generate this reloc before a block of
397 instructions. A section should be processed as assuming it
398 contains data, unless this reloc is seen. */
399 HOWTO (R_SH_CODE, /* type */
400 0, /* rightshift */
401 1, /* size (0 = byte, 1 = short, 2 = long) */
402 0, /* bitsize */
403 FALSE, /* pc_relative */
404 0, /* bitpos */
405 complain_overflow_unsigned, /* complain_on_overflow */
406 sh_elf_ignore_reloc, /* special_function */
407 "R_SH_CODE", /* name */
408 FALSE, /* partial_inplace */
409 0, /* src_mask */
410 0, /* dst_mask */
411 TRUE), /* pcrel_offset */
412
413 /* The assembler will generate this reloc after a block of
414 instructions when it sees data that is not instructions. */
415 HOWTO (R_SH_DATA, /* type */
416 0, /* rightshift */
417 1, /* size (0 = byte, 1 = short, 2 = long) */
418 0, /* bitsize */
419 FALSE, /* pc_relative */
420 0, /* bitpos */
421 complain_overflow_unsigned, /* complain_on_overflow */
422 sh_elf_ignore_reloc, /* special_function */
423 "R_SH_DATA", /* name */
424 FALSE, /* partial_inplace */
425 0, /* src_mask */
426 0, /* dst_mask */
427 TRUE), /* pcrel_offset */
428
429 /* The assembler generates this reloc for each label within a block
430 of instructions. This permits the linker to avoid swapping
431 instructions which are the targets of branches. */
432 HOWTO (R_SH_LABEL, /* type */
433 0, /* rightshift */
434 1, /* size (0 = byte, 1 = short, 2 = long) */
435 0, /* bitsize */
436 FALSE, /* pc_relative */
437 0, /* bitpos */
438 complain_overflow_unsigned, /* complain_on_overflow */
439 sh_elf_ignore_reloc, /* special_function */
440 "R_SH_LABEL", /* name */
441 FALSE, /* partial_inplace */
442 0, /* src_mask */
443 0, /* dst_mask */
444 TRUE), /* pcrel_offset */
445
446 /* The next 12 are only supported via linking in SHC-generated objects. */
447 HOWTO (R_SH_DIR16, /* type */
448 0, /* rightshift */
449 1, /* size (0 = byte, 1 = short, 2 = long) */
450 16, /* bitsize */
451 FALSE, /* pc_relative */
452 0, /* bitpos */
453 complain_overflow_dont, /* complain_on_overflow */
454 bfd_elf_generic_reloc, /* special_function */
455 "R_SH_DIR16", /* name */
456 FALSE, /* partial_inplace */
457 0, /* src_mask */
458 0xffff, /* dst_mask */
459 FALSE), /* pcrel_offset */
460
461 HOWTO (R_SH_DIR8, /* type */
462 0, /* rightshift */
463 0, /* size (0 = byte, 1 = short, 2 = long) */
464 8, /* bitsize */
465 FALSE, /* pc_relative */
466 0, /* bitpos */
467 complain_overflow_dont, /* complain_on_overflow */
468 bfd_elf_generic_reloc, /* special_function */
469 "R_SH_DIR8", /* name */
470 FALSE, /* partial_inplace */
471 0, /* src_mask */
472 0xff, /* dst_mask */
473 FALSE), /* pcrel_offset */
474
475 HOWTO (R_SH_DIR8UL, /* type */
476 2, /* rightshift */
477 0, /* size (0 = byte, 1 = short, 2 = long) */
478 8, /* bitsize */
479 FALSE, /* pc_relative */
480 0, /* bitpos */
481 complain_overflow_unsigned, /* complain_on_overflow */
482 bfd_elf_generic_reloc, /* special_function */
483 "R_SH_DIR8UL", /* name */
484 FALSE, /* partial_inplace */
485 0, /* src_mask */
486 0xff, /* dst_mask */
487 FALSE), /* pcrel_offset */
488
489 HOWTO (R_SH_DIR8UW, /* type */
490 1, /* rightshift */
491 0, /* size (0 = byte, 1 = short, 2 = long) */
492 8, /* bitsize */
493 FALSE, /* pc_relative */
494 0, /* bitpos */
495 complain_overflow_unsigned, /* complain_on_overflow */
496 bfd_elf_generic_reloc, /* special_function */
497 "R_SH_DIR8UW", /* name */
498 FALSE, /* partial_inplace */
499 0, /* src_mask */
500 0xff, /* dst_mask */
501 FALSE), /* pcrel_offset */
502
503 HOWTO (R_SH_DIR8U, /* type */
504 0, /* rightshift */
505 0, /* size (0 = byte, 1 = short, 2 = long) */
506 8, /* bitsize */
507 FALSE, /* pc_relative */
508 0, /* bitpos */
509 complain_overflow_unsigned, /* complain_on_overflow */
510 bfd_elf_generic_reloc, /* special_function */
511 "R_SH_DIR8U", /* name */
512 FALSE, /* partial_inplace */
513 0, /* src_mask */
514 0xff, /* dst_mask */
515 FALSE), /* pcrel_offset */
516
517 HOWTO (R_SH_DIR8SW, /* type */
518 1, /* rightshift */
519 0, /* size (0 = byte, 1 = short, 2 = long) */
520 8, /* bitsize */
521 FALSE, /* pc_relative */
522 0, /* bitpos */
523 complain_overflow_signed, /* complain_on_overflow */
524 bfd_elf_generic_reloc, /* special_function */
525 "R_SH_DIR8SW", /* name */
526 FALSE, /* partial_inplace */
527 0, /* src_mask */
528 0xff, /* dst_mask */
529 FALSE), /* pcrel_offset */
530
531 HOWTO (R_SH_DIR8S, /* type */
532 0, /* rightshift */
533 0, /* size (0 = byte, 1 = short, 2 = long) */
534 8, /* bitsize */
535 FALSE, /* pc_relative */
536 0, /* bitpos */
537 complain_overflow_signed, /* complain_on_overflow */
538 bfd_elf_generic_reloc, /* special_function */
539 "R_SH_DIR8S", /* name */
540 FALSE, /* partial_inplace */
541 0, /* src_mask */
542 0xff, /* dst_mask */
543 FALSE), /* pcrel_offset */
544
545 HOWTO (R_SH_DIR4UL, /* type */
546 2, /* rightshift */
547 0, /* size (0 = byte, 1 = short, 2 = long) */
548 4, /* bitsize */
549 FALSE, /* pc_relative */
550 0, /* bitpos */
551 complain_overflow_unsigned, /* complain_on_overflow */
552 bfd_elf_generic_reloc, /* special_function */
553 "R_SH_DIR4UL", /* name */
554 FALSE, /* partial_inplace */
555 0, /* src_mask */
556 0x0f, /* dst_mask */
557 FALSE), /* pcrel_offset */
558
559 HOWTO (R_SH_DIR4UW, /* type */
560 1, /* rightshift */
561 0, /* size (0 = byte, 1 = short, 2 = long) */
562 4, /* bitsize */
563 FALSE, /* pc_relative */
564 0, /* bitpos */
565 complain_overflow_unsigned, /* complain_on_overflow */
566 bfd_elf_generic_reloc, /* special_function */
567 "R_SH_DIR4UW", /* name */
568 FALSE, /* partial_inplace */
569 0, /* src_mask */
570 0x0f, /* dst_mask */
571 FALSE), /* pcrel_offset */
572
573 HOWTO (R_SH_DIR4U, /* type */
574 0, /* rightshift */
575 0, /* size (0 = byte, 1 = short, 2 = long) */
576 4, /* bitsize */
577 FALSE, /* pc_relative */
578 0, /* bitpos */
579 complain_overflow_unsigned, /* complain_on_overflow */
580 bfd_elf_generic_reloc, /* special_function */
581 "R_SH_DIR4U", /* name */
582 FALSE, /* partial_inplace */
583 0, /* src_mask */
584 0x0f, /* dst_mask */
585 FALSE), /* pcrel_offset */
586
587 HOWTO (R_SH_PSHA, /* type */
588 0, /* rightshift */
589 1, /* size (0 = byte, 1 = short, 2 = long) */
590 7, /* bitsize */
591 FALSE, /* pc_relative */
592 4, /* bitpos */
593 complain_overflow_signed, /* complain_on_overflow */
594 bfd_elf_generic_reloc, /* special_function */
595 "R_SH_PSHA", /* name */
596 FALSE, /* partial_inplace */
597 0, /* src_mask */
598 0x0f, /* dst_mask */
599 FALSE), /* pcrel_offset */
600
601 HOWTO (R_SH_PSHL, /* type */
602 0, /* rightshift */
603 1, /* size (0 = byte, 1 = short, 2 = long) */
604 7, /* bitsize */
605 FALSE, /* pc_relative */
606 4, /* bitpos */
607 complain_overflow_signed, /* complain_on_overflow */
608 bfd_elf_generic_reloc, /* special_function */
609 "R_SH_PSHL", /* name */
610 FALSE, /* partial_inplace */
611 0, /* src_mask */
612 0x0f, /* dst_mask */
613 FALSE), /* pcrel_offset */
614
615 #ifdef INCLUDE_SHMEDIA
616 /* Used in SHLLI.L and SHLRI.L. */
617 HOWTO (R_SH_DIR5U, /* type */
618 0, /* rightshift */
619 2, /* size (0 = byte, 1 = short, 2 = long) */
620 5, /* bitsize */
621 FALSE, /* pc_relative */
622 10, /* bitpos */
623 complain_overflow_unsigned, /* complain_on_overflow */
624 bfd_elf_generic_reloc, /* special_function */
625 "R_SH_DIR5U", /* name */
626 FALSE, /* partial_inplace */
627 0, /* src_mask */
628 0xfc00, /* dst_mask */
629 FALSE), /* pcrel_offset */
630
631 /* Used in SHARI, SHLLI et al. */
632 HOWTO (R_SH_DIR6U, /* type */
633 0, /* rightshift */
634 2, /* size (0 = byte, 1 = short, 2 = long) */
635 6, /* bitsize */
636 FALSE, /* pc_relative */
637 10, /* bitpos */
638 complain_overflow_unsigned, /* complain_on_overflow */
639 bfd_elf_generic_reloc, /* special_function */
640 "R_SH_DIR6U", /* name */
641 FALSE, /* partial_inplace */
642 0, /* src_mask */
643 0xfc00, /* dst_mask */
644 FALSE), /* pcrel_offset */
645
646 /* Used in BxxI, LDHI.L et al. */
647 HOWTO (R_SH_DIR6S, /* type */
648 0, /* rightshift */
649 2, /* size (0 = byte, 1 = short, 2 = long) */
650 6, /* bitsize */
651 FALSE, /* pc_relative */
652 10, /* bitpos */
653 complain_overflow_signed, /* complain_on_overflow */
654 bfd_elf_generic_reloc, /* special_function */
655 "R_SH_DIR6S", /* name */
656 FALSE, /* partial_inplace */
657 0, /* src_mask */
658 0xfc00, /* dst_mask */
659 FALSE), /* pcrel_offset */
660
661 /* Used in ADDI, ANDI et al. */
662 HOWTO (R_SH_DIR10S, /* type */
663 0, /* rightshift */
664 2, /* size (0 = byte, 1 = short, 2 = long) */
665 10, /* bitsize */
666 FALSE, /* pc_relative */
667 10, /* bitpos */
668 complain_overflow_signed, /* complain_on_overflow */
669 bfd_elf_generic_reloc, /* special_function */
670 "R_SH_DIR10S", /* name */
671 FALSE, /* partial_inplace */
672 0, /* src_mask */
673 0xffc00, /* dst_mask */
674 FALSE), /* pcrel_offset */
675
676 /* Used in LD.UW, ST.W et al. */
677 HOWTO (R_SH_DIR10SW, /* type */
678 1, /* rightshift */
679 2, /* size (0 = byte, 1 = short, 2 = long) */
680 11, /* bitsize */
681 FALSE, /* pc_relative */
682 10, /* bitpos */
683 complain_overflow_signed, /* complain_on_overflow */
684 bfd_elf_generic_reloc, /* special_function */
685 "R_SH_DIR10SW", /* name */
686 FALSE, /* partial_inplace */
687 0, /* src_mask */
688 0xffc00, /* dst_mask */
689 FALSE), /* pcrel_offset */
690
691 /* Used in LD.L, FLD.S et al. */
692 HOWTO (R_SH_DIR10SL, /* type */
693 2, /* rightshift */
694 2, /* size (0 = byte, 1 = short, 2 = long) */
695 12, /* bitsize */
696 FALSE, /* pc_relative */
697 10, /* bitpos */
698 complain_overflow_signed, /* complain_on_overflow */
699 bfd_elf_generic_reloc, /* special_function */
700 "R_SH_DIR10SL", /* name */
701 FALSE, /* partial_inplace */
702 0, /* src_mask */
703 0xffc00, /* dst_mask */
704 FALSE), /* pcrel_offset */
705
706 /* Used in FLD.D, FST.P et al. */
707 HOWTO (R_SH_DIR10SQ, /* type */
708 3, /* rightshift */
709 2, /* size (0 = byte, 1 = short, 2 = long) */
710 13, /* bitsize */
711 FALSE, /* pc_relative */
712 10, /* bitpos */
713 complain_overflow_signed, /* complain_on_overflow */
714 bfd_elf_generic_reloc, /* special_function */
715 "R_SH_DIR10SQ", /* name */
716 FALSE, /* partial_inplace */
717 0, /* src_mask */
718 0xffc00, /* dst_mask */
719 FALSE), /* pcrel_offset */
720
721 #else
722 EMPTY_HOWTO (45),
723 EMPTY_HOWTO (46),
724 EMPTY_HOWTO (47),
725 EMPTY_HOWTO (48),
726 EMPTY_HOWTO (49),
727 EMPTY_HOWTO (50),
728 EMPTY_HOWTO (51),
729 #endif
730
731 EMPTY_HOWTO (52),
732
733 HOWTO (R_SH_DIR16S, /* type */
734 0, /* rightshift */
735 1, /* size (0 = byte, 1 = short, 2 = long) */
736 16, /* bitsize */
737 FALSE, /* pc_relative */
738 0, /* bitpos */
739 complain_overflow_signed, /* complain_on_overflow */
740 bfd_elf_generic_reloc, /* special_function */
741 "R_SH_DIR16S", /* name */
742 FALSE, /* partial_inplace */
743 0, /* src_mask */
744 0xffff, /* dst_mask */
745 FALSE), /* pcrel_offset */
746
747 EMPTY_HOWTO (54),
748 EMPTY_HOWTO (55),
749 EMPTY_HOWTO (56),
750 EMPTY_HOWTO (57),
751 EMPTY_HOWTO (58),
752 EMPTY_HOWTO (59),
753 EMPTY_HOWTO (60),
754 EMPTY_HOWTO (61),
755 EMPTY_HOWTO (62),
756 EMPTY_HOWTO (63),
757 EMPTY_HOWTO (64),
758 EMPTY_HOWTO (65),
759 EMPTY_HOWTO (66),
760 EMPTY_HOWTO (67),
761 EMPTY_HOWTO (68),
762 EMPTY_HOWTO (69),
763 EMPTY_HOWTO (70),
764 EMPTY_HOWTO (71),
765 EMPTY_HOWTO (72),
766 EMPTY_HOWTO (73),
767 EMPTY_HOWTO (74),
768 EMPTY_HOWTO (75),
769 EMPTY_HOWTO (76),
770 EMPTY_HOWTO (77),
771 EMPTY_HOWTO (78),
772 EMPTY_HOWTO (79),
773 EMPTY_HOWTO (80),
774 EMPTY_HOWTO (81),
775 EMPTY_HOWTO (82),
776 EMPTY_HOWTO (83),
777 EMPTY_HOWTO (84),
778 EMPTY_HOWTO (85),
779 EMPTY_HOWTO (86),
780 EMPTY_HOWTO (87),
781 EMPTY_HOWTO (88),
782 EMPTY_HOWTO (89),
783 EMPTY_HOWTO (90),
784 EMPTY_HOWTO (91),
785 EMPTY_HOWTO (92),
786 EMPTY_HOWTO (93),
787 EMPTY_HOWTO (94),
788 EMPTY_HOWTO (95),
789 EMPTY_HOWTO (96),
790 EMPTY_HOWTO (97),
791 EMPTY_HOWTO (98),
792 EMPTY_HOWTO (99),
793 EMPTY_HOWTO (100),
794 EMPTY_HOWTO (101),
795 EMPTY_HOWTO (102),
796 EMPTY_HOWTO (103),
797 EMPTY_HOWTO (104),
798 EMPTY_HOWTO (105),
799 EMPTY_HOWTO (106),
800 EMPTY_HOWTO (107),
801 EMPTY_HOWTO (108),
802 EMPTY_HOWTO (109),
803 EMPTY_HOWTO (110),
804 EMPTY_HOWTO (111),
805 EMPTY_HOWTO (112),
806 EMPTY_HOWTO (113),
807 EMPTY_HOWTO (114),
808 EMPTY_HOWTO (115),
809 EMPTY_HOWTO (116),
810 EMPTY_HOWTO (117),
811 EMPTY_HOWTO (118),
812 EMPTY_HOWTO (119),
813 EMPTY_HOWTO (120),
814 EMPTY_HOWTO (121),
815 EMPTY_HOWTO (122),
816 EMPTY_HOWTO (123),
817 EMPTY_HOWTO (124),
818 EMPTY_HOWTO (125),
819 EMPTY_HOWTO (126),
820 EMPTY_HOWTO (127),
821 EMPTY_HOWTO (128),
822 EMPTY_HOWTO (129),
823 EMPTY_HOWTO (130),
824 EMPTY_HOWTO (131),
825 EMPTY_HOWTO (132),
826 EMPTY_HOWTO (133),
827 EMPTY_HOWTO (134),
828 EMPTY_HOWTO (135),
829 EMPTY_HOWTO (136),
830 EMPTY_HOWTO (137),
831 EMPTY_HOWTO (138),
832 EMPTY_HOWTO (139),
833 EMPTY_HOWTO (140),
834 EMPTY_HOWTO (141),
835 EMPTY_HOWTO (142),
836 EMPTY_HOWTO (143),
837
838 HOWTO (R_SH_TLS_GD_32, /* type */
839 0, /* rightshift */
840 2, /* size (0 = byte, 1 = short, 2 = long) */
841 32, /* bitsize */
842 FALSE, /* pc_relative */
843 0, /* bitpos */
844 complain_overflow_bitfield, /* complain_on_overflow */
845 bfd_elf_generic_reloc, /* */
846 "R_SH_TLS_GD_32", /* name */
847 TRUE, /* partial_inplace */
848 0xffffffff, /* src_mask */
849 0xffffffff, /* dst_mask */
850 FALSE), /* pcrel_offset */
851
852 HOWTO (R_SH_TLS_LD_32, /* type */
853 0, /* rightshift */
854 2, /* size (0 = byte, 1 = short, 2 = long) */
855 32, /* bitsize */
856 FALSE, /* pc_relative */
857 0, /* bitpos */
858 complain_overflow_bitfield, /* complain_on_overflow */
859 bfd_elf_generic_reloc, /* */
860 "R_SH_TLS_LD_32", /* name */
861 TRUE, /* partial_inplace */
862 0xffffffff, /* src_mask */
863 0xffffffff, /* dst_mask */
864 FALSE), /* pcrel_offset */
865
866 HOWTO (R_SH_TLS_LDO_32, /* type */
867 0, /* rightshift */
868 2, /* size (0 = byte, 1 = short, 2 = long) */
869 32, /* bitsize */
870 FALSE, /* pc_relative */
871 0, /* bitpos */
872 complain_overflow_bitfield, /* complain_on_overflow */
873 bfd_elf_generic_reloc, /* */
874 "R_SH_TLS_LDO_32", /* name */
875 TRUE, /* partial_inplace */
876 0xffffffff, /* src_mask */
877 0xffffffff, /* dst_mask */
878 FALSE), /* pcrel_offset */
879
880 HOWTO (R_SH_TLS_IE_32, /* type */
881 0, /* rightshift */
882 2, /* size (0 = byte, 1 = short, 2 = long) */
883 32, /* bitsize */
884 FALSE, /* pc_relative */
885 0, /* bitpos */
886 complain_overflow_bitfield, /* complain_on_overflow */
887 bfd_elf_generic_reloc, /* */
888 "R_SH_TLS_IE_32", /* name */
889 TRUE, /* partial_inplace */
890 0xffffffff, /* src_mask */
891 0xffffffff, /* dst_mask */
892 FALSE), /* pcrel_offset */
893
894 HOWTO (R_SH_TLS_LE_32, /* type */
895 0, /* rightshift */
896 2, /* size (0 = byte, 1 = short, 2 = long) */
897 32, /* bitsize */
898 FALSE, /* pc_relative */
899 0, /* bitpos */
900 complain_overflow_bitfield, /* complain_on_overflow */
901 bfd_elf_generic_reloc, /* */
902 "R_SH_TLS_LE_32", /* name */
903 TRUE, /* partial_inplace */
904 0xffffffff, /* src_mask */
905 0xffffffff, /* dst_mask */
906 FALSE), /* pcrel_offset */
907
908 HOWTO (R_SH_TLS_DTPMOD32, /* type */
909 0, /* rightshift */
910 2, /* size (0 = byte, 1 = short, 2 = long) */
911 32, /* bitsize */
912 FALSE, /* pc_relative */
913 0, /* bitpos */
914 complain_overflow_bitfield, /* complain_on_overflow */
915 bfd_elf_generic_reloc, /* */
916 "R_SH_TLS_DTPMOD32", /* name */
917 TRUE, /* partial_inplace */
918 0xffffffff, /* src_mask */
919 0xffffffff, /* dst_mask */
920 FALSE), /* pcrel_offset */
921
922 HOWTO (R_SH_TLS_DTPOFF32, /* type */
923 0, /* rightshift */
924 2, /* size (0 = byte, 1 = short, 2 = long) */
925 32, /* bitsize */
926 FALSE, /* pc_relative */
927 0, /* bitpos */
928 complain_overflow_bitfield, /* complain_on_overflow */
929 bfd_elf_generic_reloc, /* */
930 "R_SH_TLS_DTPOFF32", /* name */
931 TRUE, /* partial_inplace */
932 0xffffffff, /* src_mask */
933 0xffffffff, /* dst_mask */
934 FALSE), /* pcrel_offset */
935
936 HOWTO (R_SH_TLS_TPOFF32, /* type */
937 0, /* rightshift */
938 2, /* size (0 = byte, 1 = short, 2 = long) */
939 32, /* bitsize */
940 FALSE, /* pc_relative */
941 0, /* bitpos */
942 complain_overflow_bitfield, /* complain_on_overflow */
943 bfd_elf_generic_reloc, /* */
944 "R_SH_TLS_TPOFF32", /* name */
945 TRUE, /* partial_inplace */
946 0xffffffff, /* src_mask */
947 0xffffffff, /* dst_mask */
948 FALSE), /* pcrel_offset */
949
950 EMPTY_HOWTO (152),
951 EMPTY_HOWTO (153),
952 EMPTY_HOWTO (154),
953 EMPTY_HOWTO (155),
954 EMPTY_HOWTO (156),
955 EMPTY_HOWTO (157),
956 EMPTY_HOWTO (158),
957 EMPTY_HOWTO (159),
958
959 HOWTO (R_SH_GOT32, /* type */
960 0, /* rightshift */
961 2, /* size (0 = byte, 1 = short, 2 = long) */
962 32, /* bitsize */
963 FALSE, /* pc_relative */
964 0, /* bitpos */
965 complain_overflow_bitfield, /* complain_on_overflow */
966 bfd_elf_generic_reloc, /* */
967 "R_SH_GOT32", /* name */
968 TRUE, /* partial_inplace */
969 0xffffffff, /* src_mask */
970 0xffffffff, /* dst_mask */
971 FALSE), /* pcrel_offset */
972
973 HOWTO (R_SH_PLT32, /* type */
974 0, /* rightshift */
975 2, /* size (0 = byte, 1 = short, 2 = long) */
976 32, /* bitsize */
977 TRUE, /* pc_relative */
978 0, /* bitpos */
979 complain_overflow_bitfield, /* complain_on_overflow */
980 bfd_elf_generic_reloc, /* */
981 "R_SH_PLT32", /* name */
982 TRUE, /* partial_inplace */
983 0xffffffff, /* src_mask */
984 0xffffffff, /* dst_mask */
985 TRUE), /* pcrel_offset */
986
987 HOWTO (R_SH_COPY, /* type */
988 0, /* rightshift */
989 2, /* size (0 = byte, 1 = short, 2 = long) */
990 32, /* bitsize */
991 FALSE, /* pc_relative */
992 0, /* bitpos */
993 complain_overflow_bitfield, /* complain_on_overflow */
994 bfd_elf_generic_reloc, /* */
995 "R_SH_COPY", /* name */
996 TRUE, /* partial_inplace */
997 0xffffffff, /* src_mask */
998 0xffffffff, /* dst_mask */
999 FALSE), /* pcrel_offset */
1000
1001 HOWTO (R_SH_GLOB_DAT, /* type */
1002 0, /* rightshift */
1003 2, /* size (0 = byte, 1 = short, 2 = long) */
1004 32, /* bitsize */
1005 FALSE, /* pc_relative */
1006 0, /* bitpos */
1007 complain_overflow_bitfield, /* complain_on_overflow */
1008 bfd_elf_generic_reloc, /* */
1009 "R_SH_GLOB_DAT", /* name */
1010 TRUE, /* partial_inplace */
1011 0xffffffff, /* src_mask */
1012 0xffffffff, /* dst_mask */
1013 FALSE), /* pcrel_offset */
1014
1015 HOWTO (R_SH_JMP_SLOT, /* type */
1016 0, /* rightshift */
1017 2, /* size (0 = byte, 1 = short, 2 = long) */
1018 32, /* bitsize */
1019 FALSE, /* pc_relative */
1020 0, /* bitpos */
1021 complain_overflow_bitfield, /* complain_on_overflow */
1022 bfd_elf_generic_reloc, /* */
1023 "R_SH_JMP_SLOT", /* name */
1024 TRUE, /* partial_inplace */
1025 0xffffffff, /* src_mask */
1026 0xffffffff, /* dst_mask */
1027 FALSE), /* pcrel_offset */
1028
1029 HOWTO (R_SH_RELATIVE, /* type */
1030 0, /* rightshift */
1031 2, /* size (0 = byte, 1 = short, 2 = long) */
1032 32, /* bitsize */
1033 FALSE, /* pc_relative */
1034 0, /* bitpos */
1035 complain_overflow_bitfield, /* complain_on_overflow */
1036 bfd_elf_generic_reloc, /* */
1037 "R_SH_RELATIVE", /* name */
1038 TRUE, /* partial_inplace */
1039 0xffffffff, /* src_mask */
1040 0xffffffff, /* dst_mask */
1041 FALSE), /* pcrel_offset */
1042
1043 HOWTO (R_SH_GOTOFF, /* type */
1044 0, /* rightshift */
1045 2, /* size (0 = byte, 1 = short, 2 = long) */
1046 32, /* bitsize */
1047 FALSE, /* pc_relative */
1048 0, /* bitpos */
1049 complain_overflow_bitfield, /* complain_on_overflow */
1050 bfd_elf_generic_reloc, /* */
1051 "R_SH_GOTOFF", /* name */
1052 TRUE, /* partial_inplace */
1053 0xffffffff, /* src_mask */
1054 0xffffffff, /* dst_mask */
1055 FALSE), /* pcrel_offset */
1056
1057 HOWTO (R_SH_GOTPC, /* type */
1058 0, /* rightshift */
1059 2, /* size (0 = byte, 1 = short, 2 = long) */
1060 32, /* bitsize */
1061 TRUE, /* pc_relative */
1062 0, /* bitpos */
1063 complain_overflow_bitfield, /* complain_on_overflow */
1064 bfd_elf_generic_reloc, /* */
1065 "R_SH_GOTPC", /* name */
1066 TRUE, /* partial_inplace */
1067 0xffffffff, /* src_mask */
1068 0xffffffff, /* dst_mask */
1069 TRUE), /* pcrel_offset */
1070
1071 HOWTO (R_SH_GOTPLT32, /* type */
1072 0, /* rightshift */
1073 2, /* size (0 = byte, 1 = short, 2 = long) */
1074 32, /* bitsize */
1075 FALSE, /* pc_relative */
1076 0, /* bitpos */
1077 complain_overflow_bitfield, /* complain_on_overflow */
1078 bfd_elf_generic_reloc, /* */
1079 "R_SH_GOTPLT32", /* name */
1080 FALSE, /* partial_inplace */
1081 0xffffffff, /* src_mask */
1082 0xffffffff, /* dst_mask */
1083 FALSE), /* pcrel_offset */
1084
1085 #ifdef INCLUDE_SHMEDIA
1086 /* Used in MOVI and SHORI (x & 65536). */
1087 HOWTO (R_SH_GOT_LOW16, /* type */
1088 0, /* rightshift */
1089 2, /* size (0 = byte, 1 = short, 2 = long) */
1090 64, /* bitsize */
1091 FALSE, /* pc_relative */
1092 10, /* bitpos */
1093 complain_overflow_dont, /* complain_on_overflow */
1094 bfd_elf_generic_reloc, /* special_function */
1095 "R_SH_GOT_LOW16", /* name */
1096 FALSE, /* partial_inplace */
1097 0, /* src_mask */
1098 0x3fffc00, /* dst_mask */
1099 FALSE), /* pcrel_offset */
1100
1101 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1102 HOWTO (R_SH_GOT_MEDLOW16, /* type */
1103 16, /* rightshift */
1104 2, /* size (0 = byte, 1 = short, 2 = long) */
1105 64, /* bitsize */
1106 FALSE, /* pc_relative */
1107 10, /* bitpos */
1108 complain_overflow_dont, /* complain_on_overflow */
1109 bfd_elf_generic_reloc, /* special_function */
1110 "R_SH_GOT_MEDLOW16", /* name */
1111 FALSE, /* partial_inplace */
1112 0, /* src_mask */
1113 0x3fffc00, /* dst_mask */
1114 FALSE), /* pcrel_offset */
1115
1116 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1117 HOWTO (R_SH_GOT_MEDHI16, /* type */
1118 32, /* rightshift */
1119 2, /* size (0 = byte, 1 = short, 2 = long) */
1120 64, /* bitsize */
1121 FALSE, /* pc_relative */
1122 10, /* bitpos */
1123 complain_overflow_dont, /* complain_on_overflow */
1124 bfd_elf_generic_reloc, /* special_function */
1125 "R_SH_GOT_MEDHI16", /* name */
1126 FALSE, /* partial_inplace */
1127 0, /* src_mask */
1128 0x3fffc00, /* dst_mask */
1129 FALSE), /* pcrel_offset */
1130
1131 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1132 HOWTO (R_SH_GOT_HI16, /* type */
1133 48, /* rightshift */
1134 2, /* size (0 = byte, 1 = short, 2 = long) */
1135 64, /* bitsize */
1136 FALSE, /* pc_relative */
1137 10, /* bitpos */
1138 complain_overflow_dont, /* complain_on_overflow */
1139 bfd_elf_generic_reloc, /* special_function */
1140 "R_SH_GOT_HI16", /* name */
1141 FALSE, /* partial_inplace */
1142 0, /* src_mask */
1143 0x3fffc00, /* dst_mask */
1144 FALSE), /* pcrel_offset */
1145
1146 /* Used in MOVI and SHORI (x & 65536). */
1147 HOWTO (R_SH_GOTPLT_LOW16, /* type */
1148 0, /* rightshift */
1149 2, /* size (0 = byte, 1 = short, 2 = long) */
1150 64, /* bitsize */
1151 FALSE, /* pc_relative */
1152 10, /* bitpos */
1153 complain_overflow_dont, /* complain_on_overflow */
1154 bfd_elf_generic_reloc, /* special_function */
1155 "R_SH_GOTPLT_LOW16", /* name */
1156 FALSE, /* partial_inplace */
1157 0, /* src_mask */
1158 0x3fffc00, /* dst_mask */
1159 FALSE), /* pcrel_offset */
1160
1161 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1162 HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */
1163 16, /* rightshift */
1164 2, /* size (0 = byte, 1 = short, 2 = long) */
1165 64, /* bitsize */
1166 FALSE, /* pc_relative */
1167 10, /* bitpos */
1168 complain_overflow_dont, /* complain_on_overflow */
1169 bfd_elf_generic_reloc, /* special_function */
1170 "R_SH_GOTPLT_MEDLOW16", /* name */
1171 FALSE, /* partial_inplace */
1172 0, /* src_mask */
1173 0x3fffc00, /* dst_mask */
1174 FALSE), /* pcrel_offset */
1175
1176 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1177 HOWTO (R_SH_GOTPLT_MEDHI16, /* type */
1178 32, /* rightshift */
1179 2, /* size (0 = byte, 1 = short, 2 = long) */
1180 64, /* bitsize */
1181 FALSE, /* pc_relative */
1182 10, /* bitpos */
1183 complain_overflow_dont, /* complain_on_overflow */
1184 bfd_elf_generic_reloc, /* special_function */
1185 "R_SH_GOTPLT_MEDHI16", /* name */
1186 FALSE, /* partial_inplace */
1187 0, /* src_mask */
1188 0x3fffc00, /* dst_mask */
1189 FALSE), /* pcrel_offset */
1190
1191 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1192 HOWTO (R_SH_GOTPLT_HI16, /* type */
1193 48, /* rightshift */
1194 2, /* size (0 = byte, 1 = short, 2 = long) */
1195 64, /* bitsize */
1196 FALSE, /* pc_relative */
1197 10, /* bitpos */
1198 complain_overflow_dont, /* complain_on_overflow */
1199 bfd_elf_generic_reloc, /* special_function */
1200 "R_SH_GOTPLT_HI16", /* name */
1201 FALSE, /* partial_inplace */
1202 0, /* src_mask */
1203 0x3fffc00, /* dst_mask */
1204 FALSE), /* pcrel_offset */
1205
1206 /* Used in MOVI and SHORI (x & 65536). */
1207 HOWTO (R_SH_PLT_LOW16, /* type */
1208 0, /* rightshift */
1209 2, /* size (0 = byte, 1 = short, 2 = long) */
1210 64, /* bitsize */
1211 TRUE, /* pc_relative */
1212 10, /* bitpos */
1213 complain_overflow_dont, /* complain_on_overflow */
1214 bfd_elf_generic_reloc, /* special_function */
1215 "R_SH_PLT_LOW16", /* name */
1216 FALSE, /* partial_inplace */
1217 0, /* src_mask */
1218 0x3fffc00, /* dst_mask */
1219 TRUE), /* pcrel_offset */
1220
1221 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1222 HOWTO (R_SH_PLT_MEDLOW16, /* type */
1223 16, /* rightshift */
1224 2, /* size (0 = byte, 1 = short, 2 = long) */
1225 64, /* bitsize */
1226 TRUE, /* pc_relative */
1227 10, /* bitpos */
1228 complain_overflow_dont, /* complain_on_overflow */
1229 bfd_elf_generic_reloc, /* special_function */
1230 "R_SH_PLT_MEDLOW16", /* name */
1231 FALSE, /* partial_inplace */
1232 0, /* src_mask */
1233 0x3fffc00, /* dst_mask */
1234 TRUE), /* pcrel_offset */
1235
1236 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1237 HOWTO (R_SH_PLT_MEDHI16, /* type */
1238 32, /* rightshift */
1239 2, /* size (0 = byte, 1 = short, 2 = long) */
1240 64, /* bitsize */
1241 TRUE, /* pc_relative */
1242 10, /* bitpos */
1243 complain_overflow_dont, /* complain_on_overflow */
1244 bfd_elf_generic_reloc, /* special_function */
1245 "R_SH_PLT_MEDHI16", /* name */
1246 FALSE, /* partial_inplace */
1247 0, /* src_mask */
1248 0x3fffc00, /* dst_mask */
1249 TRUE), /* pcrel_offset */
1250
1251 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1252 HOWTO (R_SH_PLT_HI16, /* type */
1253 48, /* rightshift */
1254 2, /* size (0 = byte, 1 = short, 2 = long) */
1255 64, /* bitsize */
1256 TRUE, /* pc_relative */
1257 10, /* bitpos */
1258 complain_overflow_dont, /* complain_on_overflow */
1259 bfd_elf_generic_reloc, /* special_function */
1260 "R_SH_PLT_HI16", /* name */
1261 FALSE, /* partial_inplace */
1262 0, /* src_mask */
1263 0x3fffc00, /* dst_mask */
1264 TRUE), /* pcrel_offset */
1265
1266 /* Used in MOVI and SHORI (x & 65536). */
1267 HOWTO (R_SH_GOTOFF_LOW16, /* type */
1268 0, /* rightshift */
1269 2, /* size (0 = byte, 1 = short, 2 = long) */
1270 64, /* bitsize */
1271 FALSE, /* pc_relative */
1272 10, /* bitpos */
1273 complain_overflow_dont, /* complain_on_overflow */
1274 bfd_elf_generic_reloc, /* special_function */
1275 "R_SH_GOTOFF_LOW16", /* name */
1276 FALSE, /* partial_inplace */
1277 0, /* src_mask */
1278 0x3fffc00, /* dst_mask */
1279 FALSE), /* pcrel_offset */
1280
1281 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1282 HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */
1283 16, /* rightshift */
1284 2, /* size (0 = byte, 1 = short, 2 = long) */
1285 64, /* bitsize */
1286 FALSE, /* pc_relative */
1287 10, /* bitpos */
1288 complain_overflow_dont, /* complain_on_overflow */
1289 bfd_elf_generic_reloc, /* special_function */
1290 "R_SH_GOTOFF_MEDLOW16", /* name */
1291 FALSE, /* partial_inplace */
1292 0, /* src_mask */
1293 0x3fffc00, /* dst_mask */
1294 FALSE), /* pcrel_offset */
1295
1296 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1297 HOWTO (R_SH_GOTOFF_MEDHI16, /* type */
1298 32, /* rightshift */
1299 2, /* size (0 = byte, 1 = short, 2 = long) */
1300 64, /* bitsize */
1301 FALSE, /* pc_relative */
1302 10, /* bitpos */
1303 complain_overflow_dont, /* complain_on_overflow */
1304 bfd_elf_generic_reloc, /* special_function */
1305 "R_SH_GOTOFF_MEDHI16", /* name */
1306 FALSE, /* partial_inplace */
1307 0, /* src_mask */
1308 0x3fffc00, /* dst_mask */
1309 FALSE), /* pcrel_offset */
1310
1311 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1312 HOWTO (R_SH_GOTOFF_HI16, /* type */
1313 48, /* rightshift */
1314 2, /* size (0 = byte, 1 = short, 2 = long) */
1315 64, /* bitsize */
1316 FALSE, /* pc_relative */
1317 10, /* bitpos */
1318 complain_overflow_dont, /* complain_on_overflow */
1319 bfd_elf_generic_reloc, /* special_function */
1320 "R_SH_GOTOFF_HI16", /* name */
1321 FALSE, /* partial_inplace */
1322 0, /* src_mask */
1323 0x3fffc00, /* dst_mask */
1324 FALSE), /* pcrel_offset */
1325
1326 /* Used in MOVI and SHORI (x & 65536). */
1327 HOWTO (R_SH_GOTPC_LOW16, /* type */
1328 0, /* rightshift */
1329 2, /* size (0 = byte, 1 = short, 2 = long) */
1330 64, /* bitsize */
1331 TRUE, /* pc_relative */
1332 10, /* bitpos */
1333 complain_overflow_dont, /* complain_on_overflow */
1334 bfd_elf_generic_reloc, /* special_function */
1335 "R_SH_GOTPC_LOW16", /* name */
1336 FALSE, /* partial_inplace */
1337 0, /* src_mask */
1338 0x3fffc00, /* dst_mask */
1339 TRUE), /* pcrel_offset */
1340
1341 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1342 HOWTO (R_SH_GOTPC_MEDLOW16, /* type */
1343 16, /* rightshift */
1344 2, /* size (0 = byte, 1 = short, 2 = long) */
1345 64, /* bitsize */
1346 TRUE, /* pc_relative */
1347 10, /* bitpos */
1348 complain_overflow_dont, /* complain_on_overflow */
1349 bfd_elf_generic_reloc, /* special_function */
1350 "R_SH_GOTPC_MEDLOW16", /* name */
1351 FALSE, /* partial_inplace */
1352 0, /* src_mask */
1353 0x3fffc00, /* dst_mask */
1354 TRUE), /* pcrel_offset */
1355
1356 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1357 HOWTO (R_SH_GOTPC_MEDHI16, /* type */
1358 32, /* rightshift */
1359 2, /* size (0 = byte, 1 = short, 2 = long) */
1360 64, /* bitsize */
1361 TRUE, /* pc_relative */
1362 10, /* bitpos */
1363 complain_overflow_dont, /* complain_on_overflow */
1364 bfd_elf_generic_reloc, /* special_function */
1365 "R_SH_GOTPC_MEDHI16", /* name */
1366 FALSE, /* partial_inplace */
1367 0, /* src_mask */
1368 0x3fffc00, /* dst_mask */
1369 TRUE), /* pcrel_offset */
1370
1371 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1372 HOWTO (R_SH_GOTPC_HI16, /* type */
1373 48, /* rightshift */
1374 2, /* size (0 = byte, 1 = short, 2 = long) */
1375 64, /* bitsize */
1376 TRUE, /* pc_relative */
1377 10, /* bitpos */
1378 complain_overflow_dont, /* complain_on_overflow */
1379 bfd_elf_generic_reloc, /* special_function */
1380 "R_SH_GOTPC_HI16", /* name */
1381 FALSE, /* partial_inplace */
1382 0, /* src_mask */
1383 0x3fffc00, /* dst_mask */
1384 TRUE), /* pcrel_offset */
1385
1386 /* Used in LD.L, FLD.S et al. */
1387 HOWTO (R_SH_GOT10BY4, /* type */
1388 2, /* rightshift */
1389 2, /* size (0 = byte, 1 = short, 2 = long) */
1390 12, /* bitsize */
1391 FALSE, /* pc_relative */
1392 10, /* bitpos */
1393 complain_overflow_signed, /* complain_on_overflow */
1394 bfd_elf_generic_reloc, /* special_function */
1395 "R_SH_GOT10BY4", /* name */
1396 FALSE, /* partial_inplace */
1397 0, /* src_mask */
1398 0xffc00, /* dst_mask */
1399 FALSE), /* pcrel_offset */
1400
1401 /* Used in LD.L, FLD.S et al. */
1402 HOWTO (R_SH_GOTPLT10BY4, /* type */
1403 2, /* rightshift */
1404 2, /* size (0 = byte, 1 = short, 2 = long) */
1405 12, /* bitsize */
1406 FALSE, /* pc_relative */
1407 10, /* bitpos */
1408 complain_overflow_signed, /* complain_on_overflow */
1409 bfd_elf_generic_reloc, /* special_function */
1410 "R_SH_GOTPLT10BY4", /* name */
1411 FALSE, /* partial_inplace */
1412 0, /* src_mask */
1413 0xffc00, /* dst_mask */
1414 FALSE), /* pcrel_offset */
1415
1416 /* Used in FLD.D, FST.P et al. */
1417 HOWTO (R_SH_GOT10BY8, /* type */
1418 3, /* rightshift */
1419 2, /* size (0 = byte, 1 = short, 2 = long) */
1420 13, /* bitsize */
1421 FALSE, /* pc_relative */
1422 10, /* bitpos */
1423 complain_overflow_signed, /* complain_on_overflow */
1424 bfd_elf_generic_reloc, /* special_function */
1425 "R_SH_GOT10BY8", /* name */
1426 FALSE, /* partial_inplace */
1427 0, /* src_mask */
1428 0xffc00, /* dst_mask */
1429 FALSE), /* pcrel_offset */
1430
1431 /* Used in FLD.D, FST.P et al. */
1432 HOWTO (R_SH_GOTPLT10BY8, /* type */
1433 3, /* rightshift */
1434 2, /* size (0 = byte, 1 = short, 2 = long) */
1435 13, /* bitsize */
1436 FALSE, /* pc_relative */
1437 10, /* bitpos */
1438 complain_overflow_signed, /* complain_on_overflow */
1439 bfd_elf_generic_reloc, /* special_function */
1440 "R_SH_GOTPLT10BY8", /* name */
1441 FALSE, /* partial_inplace */
1442 0, /* src_mask */
1443 0xffc00, /* dst_mask */
1444 FALSE), /* pcrel_offset */
1445
1446 HOWTO (R_SH_COPY64, /* type */
1447 0, /* rightshift */
1448 4, /* size (0 = byte, 1 = short, 2 = long) */
1449 64, /* bitsize */
1450 FALSE, /* pc_relative */
1451 0, /* bitpos */
1452 complain_overflow_dont, /* complain_on_overflow */
1453 bfd_elf_generic_reloc, /* special_function */
1454 "R_SH_COPY64", /* name */
1455 FALSE, /* partial_inplace */
1456 0, /* src_mask */
1457 ((bfd_vma) 0) - 1, /* dst_mask */
1458 FALSE), /* pcrel_offset */
1459
1460 HOWTO (R_SH_GLOB_DAT64, /* type */
1461 0, /* rightshift */
1462 4, /* size (0 = byte, 1 = short, 2 = long) */
1463 64, /* bitsize */
1464 FALSE, /* pc_relative */
1465 0, /* bitpos */
1466 complain_overflow_dont, /* complain_on_overflow */
1467 bfd_elf_generic_reloc, /* special_function */
1468 "R_SH_GLOB_DAT64", /* name */
1469 FALSE, /* partial_inplace */
1470 0, /* src_mask */
1471 ((bfd_vma) 0) - 1, /* dst_mask */
1472 FALSE), /* pcrel_offset */
1473
1474 HOWTO (R_SH_JMP_SLOT64, /* type */
1475 0, /* rightshift */
1476 4, /* size (0 = byte, 1 = short, 2 = long) */
1477 64, /* bitsize */
1478 FALSE, /* pc_relative */
1479 0, /* bitpos */
1480 complain_overflow_dont, /* complain_on_overflow */
1481 bfd_elf_generic_reloc, /* special_function */
1482 "R_SH_JMP_SLOT64", /* name */
1483 FALSE, /* partial_inplace */
1484 0, /* src_mask */
1485 ((bfd_vma) 0) - 1, /* dst_mask */
1486 FALSE), /* pcrel_offset */
1487
1488 HOWTO (R_SH_RELATIVE64, /* type */
1489 0, /* rightshift */
1490 4, /* size (0 = byte, 1 = short, 2 = long) */
1491 64, /* bitsize */
1492 FALSE, /* pc_relative */
1493 0, /* bitpos */
1494 complain_overflow_dont, /* complain_on_overflow */
1495 bfd_elf_generic_reloc, /* special_function */
1496 "R_SH_RELATIVE64", /* name */
1497 FALSE, /* partial_inplace */
1498 0, /* src_mask */
1499 ((bfd_vma) 0) - 1, /* dst_mask */
1500 FALSE), /* pcrel_offset */
1501
1502 EMPTY_HOWTO (197),
1503 EMPTY_HOWTO (198),
1504 EMPTY_HOWTO (199),
1505 EMPTY_HOWTO (200),
1506 EMPTY_HOWTO (201),
1507 EMPTY_HOWTO (202),
1508 EMPTY_HOWTO (203),
1509 EMPTY_HOWTO (204),
1510 EMPTY_HOWTO (205),
1511 EMPTY_HOWTO (206),
1512 EMPTY_HOWTO (207),
1513 EMPTY_HOWTO (208),
1514 EMPTY_HOWTO (209),
1515 EMPTY_HOWTO (210),
1516 EMPTY_HOWTO (211),
1517 EMPTY_HOWTO (212),
1518 EMPTY_HOWTO (213),
1519 EMPTY_HOWTO (214),
1520 EMPTY_HOWTO (215),
1521 EMPTY_HOWTO (216),
1522 EMPTY_HOWTO (217),
1523 EMPTY_HOWTO (218),
1524 EMPTY_HOWTO (219),
1525 EMPTY_HOWTO (220),
1526 EMPTY_HOWTO (221),
1527 EMPTY_HOWTO (222),
1528 EMPTY_HOWTO (223),
1529 EMPTY_HOWTO (224),
1530 EMPTY_HOWTO (225),
1531 EMPTY_HOWTO (226),
1532 EMPTY_HOWTO (227),
1533 EMPTY_HOWTO (228),
1534 EMPTY_HOWTO (229),
1535 EMPTY_HOWTO (230),
1536 EMPTY_HOWTO (231),
1537 EMPTY_HOWTO (232),
1538 EMPTY_HOWTO (233),
1539 EMPTY_HOWTO (234),
1540 EMPTY_HOWTO (235),
1541 EMPTY_HOWTO (236),
1542 EMPTY_HOWTO (237),
1543 EMPTY_HOWTO (238),
1544 EMPTY_HOWTO (239),
1545 EMPTY_HOWTO (240),
1546 EMPTY_HOWTO (241),
1547
1548 /* Relocations for SHmedia code. None of these are partial_inplace or
1549 use the field being relocated (except R_SH_PT_16). */
1550
1551 /* The assembler will generate this reloc before a block of SHmedia
1552 instructions. A section should be processed as assuming it contains
1553 data, unless this reloc is seen. Note that a block of SHcompact
1554 instructions are instead preceded by R_SH_CODE.
1555 This is currently not implemented, but should be used for SHmedia
1556 linker relaxation. */
1557 HOWTO (R_SH_SHMEDIA_CODE, /* type */
1558 0, /* rightshift */
1559 1, /* size (0 = byte, 1 = short, 2 = long) */
1560 0, /* bitsize */
1561 FALSE, /* pc_relative */
1562 0, /* bitpos */
1563 complain_overflow_unsigned, /* complain_on_overflow */
1564 sh_elf_ignore_reloc, /* special_function */
1565 "R_SH_SHMEDIA_CODE", /* name */
1566 FALSE, /* partial_inplace */
1567 0, /* src_mask */
1568 0, /* dst_mask */
1569 FALSE), /* pcrel_offset */
1570
1571 /* The assembler will generate this reloc at a PTA or PTB instruction,
1572 and the linker checks the right type of target, or changes a PTA to a
1573 PTB, if the original insn was PT. */
1574 HOWTO (R_SH_PT_16, /* type */
1575 2, /* rightshift */
1576 2, /* size (0 = byte, 1 = short, 2 = long) */
1577 18, /* bitsize */
1578 TRUE, /* pc_relative */
1579 10, /* bitpos */
1580 complain_overflow_signed, /* complain_on_overflow */
1581 bfd_elf_generic_reloc, /* special_function */
1582 "R_SH_PT_16", /* name */
1583 FALSE, /* partial_inplace */
1584 0, /* src_mask */
1585 0x3fffc00, /* dst_mask */
1586 TRUE), /* pcrel_offset */
1587
1588 /* Used in unexpanded MOVI. */
1589 HOWTO (R_SH_IMMS16, /* type */
1590 0, /* rightshift */
1591 2, /* size (0 = byte, 1 = short, 2 = long) */
1592 16, /* bitsize */
1593 FALSE, /* pc_relative */
1594 10, /* bitpos */
1595 complain_overflow_signed, /* complain_on_overflow */
1596 bfd_elf_generic_reloc, /* special_function */
1597 "R_SH_IMMS16", /* name */
1598 FALSE, /* partial_inplace */
1599 0, /* src_mask */
1600 0x3fffc00, /* dst_mask */
1601 FALSE), /* pcrel_offset */
1602
1603 /* Used in SHORI. */
1604 HOWTO (R_SH_IMMU16, /* type */
1605 0, /* rightshift */
1606 2, /* size (0 = byte, 1 = short, 2 = long) */
1607 16, /* bitsize */
1608 FALSE, /* pc_relative */
1609 10, /* bitpos */
1610 complain_overflow_unsigned, /* complain_on_overflow */
1611 bfd_elf_generic_reloc, /* special_function */
1612 "R_SH_IMMU16", /* name */
1613 FALSE, /* partial_inplace */
1614 0, /* src_mask */
1615 0x3fffc00, /* dst_mask */
1616 FALSE), /* pcrel_offset */
1617
1618 /* Used in MOVI and SHORI (x & 65536). */
1619 HOWTO (R_SH_IMM_LOW16, /* type */
1620 0, /* rightshift */
1621 2, /* size (0 = byte, 1 = short, 2 = long) */
1622 64, /* bitsize */
1623 FALSE, /* pc_relative */
1624 10, /* bitpos */
1625 complain_overflow_dont, /* complain_on_overflow */
1626 bfd_elf_generic_reloc, /* special_function */
1627 "R_SH_IMM_LOW16", /* name */
1628 FALSE, /* partial_inplace */
1629 0, /* src_mask */
1630 0x3fffc00, /* dst_mask */
1631 FALSE), /* pcrel_offset */
1632
1633 /* Used in MOVI and SHORI ((x - $) & 65536). */
1634 HOWTO (R_SH_IMM_LOW16_PCREL, /* type */
1635 0, /* rightshift */
1636 2, /* size (0 = byte, 1 = short, 2 = long) */
1637 64, /* bitsize */
1638 TRUE, /* pc_relative */
1639 10, /* bitpos */
1640 complain_overflow_dont, /* complain_on_overflow */
1641 bfd_elf_generic_reloc, /* special_function */
1642 "R_SH_IMM_LOW16_PCREL", /* name */
1643 FALSE, /* partial_inplace */
1644 0, /* src_mask */
1645 0x3fffc00, /* dst_mask */
1646 TRUE), /* pcrel_offset */
1647
1648 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1649 HOWTO (R_SH_IMM_MEDLOW16, /* type */
1650 16, /* rightshift */
1651 2, /* size (0 = byte, 1 = short, 2 = long) */
1652 64, /* bitsize */
1653 FALSE, /* pc_relative */
1654 10, /* bitpos */
1655 complain_overflow_dont, /* complain_on_overflow */
1656 bfd_elf_generic_reloc, /* special_function */
1657 "R_SH_IMM_MEDLOW16", /* name */
1658 FALSE, /* partial_inplace */
1659 0, /* src_mask */
1660 0x3fffc00, /* dst_mask */
1661 FALSE), /* pcrel_offset */
1662
1663 /* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */
1664 HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */
1665 16, /* rightshift */
1666 2, /* size (0 = byte, 1 = short, 2 = long) */
1667 64, /* bitsize */
1668 TRUE, /* pc_relative */
1669 10, /* bitpos */
1670 complain_overflow_dont, /* complain_on_overflow */
1671 bfd_elf_generic_reloc, /* special_function */
1672 "R_SH_IMM_MEDLOW16_PCREL", /* name */
1673 FALSE, /* partial_inplace */
1674 0, /* src_mask */
1675 0x3fffc00, /* dst_mask */
1676 TRUE), /* pcrel_offset */
1677
1678 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1679 HOWTO (R_SH_IMM_MEDHI16, /* type */
1680 32, /* rightshift */
1681 2, /* size (0 = byte, 1 = short, 2 = long) */
1682 64, /* bitsize */
1683 FALSE, /* pc_relative */
1684 10, /* bitpos */
1685 complain_overflow_dont, /* complain_on_overflow */
1686 bfd_elf_generic_reloc, /* special_function */
1687 "R_SH_IMM_MEDHI16", /* name */
1688 FALSE, /* partial_inplace */
1689 0, /* src_mask */
1690 0x3fffc00, /* dst_mask */
1691 FALSE), /* pcrel_offset */
1692
1693 /* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */
1694 HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */
1695 32, /* rightshift */
1696 2, /* size (0 = byte, 1 = short, 2 = long) */
1697 64, /* bitsize */
1698 TRUE, /* pc_relative */
1699 10, /* bitpos */
1700 complain_overflow_dont, /* complain_on_overflow */
1701 bfd_elf_generic_reloc, /* special_function */
1702 "R_SH_IMM_MEDHI16_PCREL", /* name */
1703 FALSE, /* partial_inplace */
1704 0, /* src_mask */
1705 0x3fffc00, /* dst_mask */
1706 TRUE), /* pcrel_offset */
1707
1708 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1709 HOWTO (R_SH_IMM_HI16, /* type */
1710 48, /* rightshift */
1711 2, /* size (0 = byte, 1 = short, 2 = long) */
1712 64, /* bitsize */
1713 FALSE, /* pc_relative */
1714 10, /* bitpos */
1715 complain_overflow_dont, /* complain_on_overflow */
1716 bfd_elf_generic_reloc, /* special_function */
1717 "R_SH_IMM_HI16", /* name */
1718 FALSE, /* partial_inplace */
1719 0, /* src_mask */
1720 0x3fffc00, /* dst_mask */
1721 FALSE), /* pcrel_offset */
1722
1723 /* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */
1724 HOWTO (R_SH_IMM_HI16_PCREL, /* type */
1725 48, /* rightshift */
1726 2, /* size (0 = byte, 1 = short, 2 = long) */
1727 64, /* bitsize */
1728 TRUE, /* pc_relative */
1729 10, /* bitpos */
1730 complain_overflow_dont, /* complain_on_overflow */
1731 bfd_elf_generic_reloc, /* special_function */
1732 "R_SH_IMM_HI16_PCREL", /* name */
1733 FALSE, /* partial_inplace */
1734 0, /* src_mask */
1735 0x3fffc00, /* dst_mask */
1736 TRUE), /* pcrel_offset */
1737
1738 /* For the .uaquad pseudo. */
1739 HOWTO (R_SH_64, /* type */
1740 0, /* rightshift */
1741 4, /* size (0 = byte, 1 = short, 2 = long) */
1742 64, /* bitsize */
1743 FALSE, /* pc_relative */
1744 0, /* bitpos */
1745 complain_overflow_dont, /* complain_on_overflow */
1746 bfd_elf_generic_reloc, /* special_function */
1747 "R_SH_64", /* name */
1748 FALSE, /* partial_inplace */
1749 0, /* src_mask */
1750 ((bfd_vma) 0) - 1, /* dst_mask */
1751 FALSE), /* pcrel_offset */
1752
1753 /* For the .uaquad pseudo, (x - $). */
1754 HOWTO (R_SH_64_PCREL, /* type */
1755 48, /* rightshift */
1756 2, /* size (0 = byte, 1 = short, 2 = long) */
1757 64, /* bitsize */
1758 TRUE, /* pc_relative */
1759 10, /* bitpos */
1760 complain_overflow_dont, /* complain_on_overflow */
1761 bfd_elf_generic_reloc, /* special_function */
1762 "R_SH_64_PCREL", /* name */
1763 FALSE, /* partial_inplace */
1764 0, /* src_mask */
1765 ((bfd_vma) 0) - 1, /* dst_mask */
1766 TRUE), /* pcrel_offset */
1767
1768 #endif
1769 };
1770
1771 static bfd_reloc_status_type
1772 sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
1773 asection *input_section, bfd_byte *contents,
1774 bfd_vma addr, asection *symbol_section,
1775 bfd_vma start, bfd_vma end)
1776 {
1777 static bfd_vma last_addr;
1778 static asection *last_symbol_section;
1779 bfd_byte *start_ptr, *ptr, *last_ptr;
1780 int diff, cum_diff;
1781 bfd_signed_vma x;
1782 int insn;
1783
1784 /* Sanity check the address. */
1785 if (addr > bfd_get_section_limit (input_bfd, input_section))
1786 return bfd_reloc_outofrange;
1787
1788 /* We require the start and end relocations to be processed consecutively -
1789 although we allow then to be processed forwards or backwards. */
1790 if (! last_addr)
1791 {
1792 last_addr = addr;
1793 last_symbol_section = symbol_section;
1794 return bfd_reloc_ok;
1795 }
1796 if (last_addr != addr)
1797 abort ();
1798 last_addr = 0;
1799
1800 if (! symbol_section || last_symbol_section != symbol_section || end < start)
1801 return bfd_reloc_outofrange;
1802
1803 /* Get the symbol_section contents. */
1804 if (symbol_section != input_section)
1805 {
1806 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
1807 contents = elf_section_data (symbol_section)->this_hdr.contents;
1808 else
1809 {
1810 if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
1811 &contents))
1812 {
1813 if (contents != NULL)
1814 free (contents);
1815 return bfd_reloc_outofrange;
1816 }
1817 }
1818 }
1819 #define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
1820 start_ptr = contents + start;
1821 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
1822 {
1823 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
1824 ptr -= 2;
1825 ptr += 2;
1826 diff = (last_ptr - ptr) >> 1;
1827 cum_diff += diff & 1;
1828 cum_diff += diff;
1829 }
1830 /* Calculate the start / end values to load into rs / re minus four -
1831 so that will cancel out the four we would otherwise have to add to
1832 addr to get the value to subtract in order to get relative addressing. */
1833 if (cum_diff >= 0)
1834 {
1835 start -= 4;
1836 end = (ptr + cum_diff * 2) - contents;
1837 }
1838 else
1839 {
1840 bfd_vma start0 = start - 4;
1841
1842 while (start0 && IS_PPI (contents + start0))
1843 start0 -= 2;
1844 start0 = start - 2 - ((start - start0) & 2);
1845 start = start0 - cum_diff - 2;
1846 end = start0;
1847 }
1848
1849 if (contents != NULL
1850 && elf_section_data (symbol_section)->this_hdr.contents != contents)
1851 free (contents);
1852
1853 insn = bfd_get_16 (input_bfd, contents + addr);
1854
1855 x = (insn & 0x200 ? end : start) - addr;
1856 if (input_section != symbol_section)
1857 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
1858 - (input_section->output_section->vma
1859 + input_section->output_offset));
1860 x >>= 1;
1861 if (x < -128 || x > 127)
1862 return bfd_reloc_overflow;
1863
1864 x = (insn & ~0xff) | (x & 0xff);
1865 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
1866
1867 return bfd_reloc_ok;
1868 }
1869
1870 /* This function is used for normal relocs. This used to be like the COFF
1871 function, and is almost certainly incorrect for other ELF targets. */
1872
1873 static bfd_reloc_status_type
1874 sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
1875 void *data, asection *input_section, bfd *output_bfd,
1876 char **error_message ATTRIBUTE_UNUSED)
1877 {
1878 unsigned long insn;
1879 bfd_vma sym_value;
1880 enum elf_sh_reloc_type r_type;
1881 bfd_vma addr = reloc_entry->address;
1882 bfd_byte *hit_data = addr + (bfd_byte *) data;
1883
1884 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
1885
1886 if (output_bfd != NULL)
1887 {
1888 /* Partial linking--do nothing. */
1889 reloc_entry->address += input_section->output_offset;
1890 return bfd_reloc_ok;
1891 }
1892
1893 /* Almost all relocs have to do with relaxing. If any work must be
1894 done for them, it has been done in sh_relax_section. */
1895 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
1896 return bfd_reloc_ok;
1897
1898 if (symbol_in != NULL
1899 && bfd_is_und_section (symbol_in->section))
1900 return bfd_reloc_undefined;
1901
1902 if (bfd_is_com_section (symbol_in->section))
1903 sym_value = 0;
1904 else
1905 sym_value = (symbol_in->value +
1906 symbol_in->section->output_section->vma +
1907 symbol_in->section->output_offset);
1908
1909 switch (r_type)
1910 {
1911 case R_SH_DIR32:
1912 insn = bfd_get_32 (abfd, hit_data);
1913 insn += sym_value + reloc_entry->addend;
1914 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
1915 break;
1916 case R_SH_IND12W:
1917 insn = bfd_get_16 (abfd, hit_data);
1918 sym_value += reloc_entry->addend;
1919 sym_value -= (input_section->output_section->vma
1920 + input_section->output_offset
1921 + addr
1922 + 4);
1923 sym_value += (insn & 0xfff) << 1;
1924 if (insn & 0x800)
1925 sym_value -= 0x1000;
1926 insn = (insn & 0xf000) | (sym_value & 0xfff);
1927 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
1928 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
1929 return bfd_reloc_overflow;
1930 break;
1931 default:
1932 abort ();
1933 break;
1934 }
1935
1936 return bfd_reloc_ok;
1937 }
1938
1939 /* This function is used for relocs which are only used for relaxing,
1940 which the linker should otherwise ignore. */
1941
1942 static bfd_reloc_status_type
1943 sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
1944 asymbol *symbol ATTRIBUTE_UNUSED,
1945 void *data ATTRIBUTE_UNUSED, asection *input_section,
1946 bfd *output_bfd,
1947 char **error_message ATTRIBUTE_UNUSED)
1948 {
1949 if (output_bfd != NULL)
1950 reloc_entry->address += input_section->output_offset;
1951 return bfd_reloc_ok;
1952 }
1953
1954 /* This structure is used to map BFD reloc codes to SH ELF relocs. */
1955
1956 struct elf_reloc_map
1957 {
1958 bfd_reloc_code_real_type bfd_reloc_val;
1959 unsigned char elf_reloc_val;
1960 };
1961
1962 /* An array mapping BFD reloc codes to SH ELF relocs. */
1963
1964 static const struct elf_reloc_map sh_reloc_map[] =
1965 {
1966 { BFD_RELOC_NONE, R_SH_NONE },
1967 { BFD_RELOC_32, R_SH_DIR32 },
1968 { BFD_RELOC_16, R_SH_DIR16 },
1969 { BFD_RELOC_8, R_SH_DIR8 },
1970 { BFD_RELOC_CTOR, R_SH_DIR32 },
1971 { BFD_RELOC_32_PCREL, R_SH_REL32 },
1972 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
1973 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
1974 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
1975 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
1976 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
1977 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
1978 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
1979 { BFD_RELOC_SH_USES, R_SH_USES },
1980 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
1981 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
1982 { BFD_RELOC_SH_CODE, R_SH_CODE },
1983 { BFD_RELOC_SH_DATA, R_SH_DATA },
1984 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
1985 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
1986 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
1987 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
1988 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
1989 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
1990 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
1991 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
1992 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
1993 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
1994 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
1995 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
1996 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
1997 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
1998 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
1999 { BFD_RELOC_SH_COPY, R_SH_COPY },
2000 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
2001 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
2002 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
2003 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
2004 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
2005 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
2006 #ifdef INCLUDE_SHMEDIA
2007 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
2008 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
2009 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
2010 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
2011 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
2012 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
2013 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
2014 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
2015 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
2016 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
2017 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
2018 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
2019 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
2020 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
2021 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
2022 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
2023 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
2024 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
2025 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
2026 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
2027 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
2028 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
2029 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
2030 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
2031 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
2032 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
2033 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
2034 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
2035 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
2036 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
2037 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
2038 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
2039 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
2040 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
2041 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
2042 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
2043 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
2044 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
2045 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
2046 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
2047 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
2048 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
2049 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
2050 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
2051 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
2052 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
2053 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
2054 { BFD_RELOC_64, R_SH_64 },
2055 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
2056 #endif /* not INCLUDE_SHMEDIA */
2057 };
2058
2059 /* Given a BFD reloc code, return the howto structure for the
2060 corresponding SH ELf reloc. */
2061
2062 static reloc_howto_type *
2063 sh_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
2064 bfd_reloc_code_real_type code)
2065 {
2066 unsigned int i;
2067
2068 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
2069 {
2070 if (sh_reloc_map[i].bfd_reloc_val == code)
2071 return &sh_elf_howto_table[(int) sh_reloc_map[i].elf_reloc_val];
2072 }
2073
2074 return NULL;
2075 }
2076
2077 /* Given an ELF reloc, fill in the howto field of a relent. */
2078
2079 static void
2080 sh_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
2081 Elf_Internal_Rela *dst)
2082 {
2083 unsigned int r;
2084
2085 r = ELF32_R_TYPE (dst->r_info);
2086
2087 BFD_ASSERT (r < (unsigned int) R_SH_max);
2088 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
2089 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
2090 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
2091 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
2092 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5);
2093
2094 cache_ptr->howto = &sh_elf_howto_table[r];
2095 }
2096 \f
2097 /* This function handles relaxing for SH ELF. See the corresponding
2098 function in coff-sh.c for a description of what this does. FIXME:
2099 There is a lot of duplication here between this code and the COFF
2100 specific code. The format of relocs and symbols is wound deeply
2101 into this code, but it would still be better if the duplication
2102 could be eliminated somehow. Note in particular that although both
2103 functions use symbols like R_SH_CODE, those symbols have different
2104 values; in coff-sh.c they come from include/coff/sh.h, whereas here
2105 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
2106
2107 static bfd_boolean
2108 sh_elf_relax_section (bfd *abfd, asection *sec,
2109 struct bfd_link_info *link_info, bfd_boolean *again)
2110 {
2111 Elf_Internal_Shdr *symtab_hdr;
2112 Elf_Internal_Rela *internal_relocs;
2113 bfd_boolean have_code;
2114 Elf_Internal_Rela *irel, *irelend;
2115 bfd_byte *contents = NULL;
2116 Elf_Internal_Sym *isymbuf = NULL;
2117
2118 *again = FALSE;
2119
2120 if (link_info->relocatable
2121 || (sec->flags & SEC_RELOC) == 0
2122 || sec->reloc_count == 0)
2123 return TRUE;
2124
2125 #ifdef INCLUDE_SHMEDIA
2126 if (elf_section_data (sec)->this_hdr.sh_flags
2127 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
2128 {
2129 return TRUE;
2130 }
2131 #endif
2132
2133 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2134
2135 internal_relocs = (_bfd_elf_link_read_relocs
2136 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
2137 link_info->keep_memory));
2138 if (internal_relocs == NULL)
2139 goto error_return;
2140
2141 have_code = FALSE;
2142
2143 irelend = internal_relocs + sec->reloc_count;
2144 for (irel = internal_relocs; irel < irelend; irel++)
2145 {
2146 bfd_vma laddr, paddr, symval;
2147 unsigned short insn;
2148 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
2149 bfd_signed_vma foff;
2150
2151 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
2152 have_code = TRUE;
2153
2154 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
2155 continue;
2156
2157 /* Get the section contents. */
2158 if (contents == NULL)
2159 {
2160 if (elf_section_data (sec)->this_hdr.contents != NULL)
2161 contents = elf_section_data (sec)->this_hdr.contents;
2162 else
2163 {
2164 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
2165 goto error_return;
2166 }
2167 }
2168
2169 /* The r_addend field of the R_SH_USES reloc will point us to
2170 the register load. The 4 is because the r_addend field is
2171 computed as though it were a jump offset, which are based
2172 from 4 bytes after the jump instruction. */
2173 laddr = irel->r_offset + 4 + irel->r_addend;
2174 if (laddr >= sec->size)
2175 {
2176 (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
2177 abfd,
2178 (unsigned long) irel->r_offset);
2179 continue;
2180 }
2181 insn = bfd_get_16 (abfd, contents + laddr);
2182
2183 /* If the instruction is not mov.l NN,rN, we don't know what to
2184 do. */
2185 if ((insn & 0xf000) != 0xd000)
2186 {
2187 ((*_bfd_error_handler)
2188 (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
2189 abfd, (unsigned long) irel->r_offset, insn));
2190 continue;
2191 }
2192
2193 /* Get the address from which the register is being loaded. The
2194 displacement in the mov.l instruction is quadrupled. It is a
2195 displacement from four bytes after the movl instruction, but,
2196 before adding in the PC address, two least significant bits
2197 of the PC are cleared. We assume that the section is aligned
2198 on a four byte boundary. */
2199 paddr = insn & 0xff;
2200 paddr *= 4;
2201 paddr += (laddr + 4) &~ (bfd_vma) 3;
2202 if (paddr >= sec->size)
2203 {
2204 ((*_bfd_error_handler)
2205 (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
2206 abfd, (unsigned long) irel->r_offset));
2207 continue;
2208 }
2209
2210 /* Get the reloc for the address from which the register is
2211 being loaded. This reloc will tell us which function is
2212 actually being called. */
2213 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
2214 if (irelfn->r_offset == paddr
2215 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
2216 break;
2217 if (irelfn >= irelend)
2218 {
2219 ((*_bfd_error_handler)
2220 (_("%B: 0x%lx: warning: could not find expected reloc"),
2221 abfd, (unsigned long) paddr));
2222 continue;
2223 }
2224
2225 /* Read this BFD's symbols if we haven't done so already. */
2226 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
2227 {
2228 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2229 if (isymbuf == NULL)
2230 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
2231 symtab_hdr->sh_info, 0,
2232 NULL, NULL, NULL);
2233 if (isymbuf == NULL)
2234 goto error_return;
2235 }
2236
2237 /* Get the value of the symbol referred to by the reloc. */
2238 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
2239 {
2240 /* A local symbol. */
2241 Elf_Internal_Sym *isym;
2242
2243 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
2244 if (isym->st_shndx
2245 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
2246 {
2247 ((*_bfd_error_handler)
2248 (_("%B: 0x%lx: warning: symbol in unexpected section"),
2249 abfd, (unsigned long) paddr));
2250 continue;
2251 }
2252
2253 symval = (isym->st_value
2254 + sec->output_section->vma
2255 + sec->output_offset);
2256 }
2257 else
2258 {
2259 unsigned long indx;
2260 struct elf_link_hash_entry *h;
2261
2262 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
2263 h = elf_sym_hashes (abfd)[indx];
2264 BFD_ASSERT (h != NULL);
2265 if (h->root.type != bfd_link_hash_defined
2266 && h->root.type != bfd_link_hash_defweak)
2267 {
2268 /* This appears to be a reference to an undefined
2269 symbol. Just ignore it--it will be caught by the
2270 regular reloc processing. */
2271 continue;
2272 }
2273
2274 symval = (h->root.u.def.value
2275 + h->root.u.def.section->output_section->vma
2276 + h->root.u.def.section->output_offset);
2277 }
2278
2279 symval += bfd_get_32 (abfd, contents + paddr);
2280
2281 /* See if this function call can be shortened. */
2282 foff = (symval
2283 - (irel->r_offset
2284 + sec->output_section->vma
2285 + sec->output_offset
2286 + 4));
2287 if (foff < -0x1000 || foff >= 0x1000)
2288 {
2289 /* After all that work, we can't shorten this function call. */
2290 continue;
2291 }
2292
2293 /* Shorten the function call. */
2294
2295 /* For simplicity of coding, we are going to modify the section
2296 contents, the section relocs, and the BFD symbol table. We
2297 must tell the rest of the code not to free up this
2298 information. It would be possible to instead create a table
2299 of changes which have to be made, as is done in coff-mips.c;
2300 that would be more work, but would require less memory when
2301 the linker is run. */
2302
2303 elf_section_data (sec)->relocs = internal_relocs;
2304 elf_section_data (sec)->this_hdr.contents = contents;
2305 symtab_hdr->contents = (unsigned char *) isymbuf;
2306
2307 /* Replace the jsr with a bsr. */
2308
2309 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
2310 replace the jsr with a bsr. */
2311 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
2312 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
2313 here, but that only checks if the symbol is an external symbol,
2314 not if the symbol is in a different section. Besides, we need
2315 a consistent meaning for the relocation, so we just assume here that
2316 the value of the symbol is not available. */
2317
2318 /* We can't fully resolve this yet, because the external
2319 symbol value may be changed by future relaxing. We let
2320 the final link phase handle it. */
2321 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
2322
2323 irel->r_addend = -4;
2324
2325 /* See if there is another R_SH_USES reloc referring to the same
2326 register load. */
2327 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
2328 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
2329 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
2330 break;
2331 if (irelscan < irelend)
2332 {
2333 /* Some other function call depends upon this register load,
2334 and we have not yet converted that function call.
2335 Indeed, we may never be able to convert it. There is
2336 nothing else we can do at this point. */
2337 continue;
2338 }
2339
2340 /* Look for a R_SH_COUNT reloc on the location where the
2341 function address is stored. Do this before deleting any
2342 bytes, to avoid confusion about the address. */
2343 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
2344 if (irelcount->r_offset == paddr
2345 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
2346 break;
2347
2348 /* Delete the register load. */
2349 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
2350 goto error_return;
2351
2352 /* That will change things, so, just in case it permits some
2353 other function call to come within range, we should relax
2354 again. Note that this is not required, and it may be slow. */
2355 *again = TRUE;
2356
2357 /* Now check whether we got a COUNT reloc. */
2358 if (irelcount >= irelend)
2359 {
2360 ((*_bfd_error_handler)
2361 (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
2362 abfd, (unsigned long) paddr));
2363 continue;
2364 }
2365
2366 /* The number of uses is stored in the r_addend field. We've
2367 just deleted one. */
2368 if (irelcount->r_addend == 0)
2369 {
2370 ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
2371 abfd,
2372 (unsigned long) paddr));
2373 continue;
2374 }
2375
2376 --irelcount->r_addend;
2377
2378 /* If there are no more uses, we can delete the address. Reload
2379 the address from irelfn, in case it was changed by the
2380 previous call to sh_elf_relax_delete_bytes. */
2381 if (irelcount->r_addend == 0)
2382 {
2383 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
2384 goto error_return;
2385 }
2386
2387 /* We've done all we can with that function call. */
2388 }
2389
2390 /* Look for load and store instructions that we can align on four
2391 byte boundaries. */
2392 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
2393 && have_code)
2394 {
2395 bfd_boolean swapped;
2396
2397 /* Get the section contents. */
2398 if (contents == NULL)
2399 {
2400 if (elf_section_data (sec)->this_hdr.contents != NULL)
2401 contents = elf_section_data (sec)->this_hdr.contents;
2402 else
2403 {
2404 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
2405 goto error_return;
2406 }
2407 }
2408
2409 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
2410 &swapped))
2411 goto error_return;
2412
2413 if (swapped)
2414 {
2415 elf_section_data (sec)->relocs = internal_relocs;
2416 elf_section_data (sec)->this_hdr.contents = contents;
2417 symtab_hdr->contents = (unsigned char *) isymbuf;
2418 }
2419 }
2420
2421 if (isymbuf != NULL
2422 && symtab_hdr->contents != (unsigned char *) isymbuf)
2423 {
2424 if (! link_info->keep_memory)
2425 free (isymbuf);
2426 else
2427 {
2428 /* Cache the symbols for elf_link_input_bfd. */
2429 symtab_hdr->contents = (unsigned char *) isymbuf;
2430 }
2431 }
2432
2433 if (contents != NULL
2434 && elf_section_data (sec)->this_hdr.contents != contents)
2435 {
2436 if (! link_info->keep_memory)
2437 free (contents);
2438 else
2439 {
2440 /* Cache the section contents for elf_link_input_bfd. */
2441 elf_section_data (sec)->this_hdr.contents = contents;
2442 }
2443 }
2444
2445 if (internal_relocs != NULL
2446 && elf_section_data (sec)->relocs != internal_relocs)
2447 free (internal_relocs);
2448
2449 return TRUE;
2450
2451 error_return:
2452 if (isymbuf != NULL
2453 && symtab_hdr->contents != (unsigned char *) isymbuf)
2454 free (isymbuf);
2455 if (contents != NULL
2456 && elf_section_data (sec)->this_hdr.contents != contents)
2457 free (contents);
2458 if (internal_relocs != NULL
2459 && elf_section_data (sec)->relocs != internal_relocs)
2460 free (internal_relocs);
2461
2462 return FALSE;
2463 }
2464
2465 /* Delete some bytes from a section while relaxing. FIXME: There is a
2466 lot of duplication between this function and sh_relax_delete_bytes
2467 in coff-sh.c. */
2468
2469 static bfd_boolean
2470 sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
2471 int count)
2472 {
2473 Elf_Internal_Shdr *symtab_hdr;
2474 unsigned int sec_shndx;
2475 bfd_byte *contents;
2476 Elf_Internal_Rela *irel, *irelend;
2477 Elf_Internal_Rela *irelalign;
2478 bfd_vma toaddr;
2479 Elf_Internal_Sym *isymbuf, *isym, *isymend;
2480 struct elf_link_hash_entry **sym_hashes;
2481 struct elf_link_hash_entry **end_hashes;
2482 unsigned int symcount;
2483 asection *o;
2484
2485 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2486 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2487
2488 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2489
2490 contents = elf_section_data (sec)->this_hdr.contents;
2491
2492 /* The deletion must stop at the next ALIGN reloc for an aligment
2493 power larger than the number of bytes we are deleting. */
2494
2495 irelalign = NULL;
2496 toaddr = sec->size;
2497
2498 irel = elf_section_data (sec)->relocs;
2499 irelend = irel + sec->reloc_count;
2500 for (; irel < irelend; irel++)
2501 {
2502 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
2503 && irel->r_offset > addr
2504 && count < (1 << irel->r_addend))
2505 {
2506 irelalign = irel;
2507 toaddr = irel->r_offset;
2508 break;
2509 }
2510 }
2511
2512 /* Actually delete the bytes. */
2513 memmove (contents + addr, contents + addr + count,
2514 (size_t) (toaddr - addr - count));
2515 if (irelalign == NULL)
2516 sec->size -= count;
2517 else
2518 {
2519 int i;
2520
2521 #define NOP_OPCODE (0x0009)
2522
2523 BFD_ASSERT ((count & 1) == 0);
2524 for (i = 0; i < count; i += 2)
2525 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
2526 }
2527
2528 /* Adjust all the relocs. */
2529 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
2530 {
2531 bfd_vma nraddr, stop;
2532 bfd_vma start = 0;
2533 int insn = 0;
2534 int off, adjust, oinsn;
2535 bfd_signed_vma voff = 0;
2536 bfd_boolean overflow;
2537
2538 /* Get the new reloc address. */
2539 nraddr = irel->r_offset;
2540 if ((irel->r_offset > addr
2541 && irel->r_offset < toaddr)
2542 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
2543 && irel->r_offset == toaddr))
2544 nraddr -= count;
2545
2546 /* See if this reloc was for the bytes we have deleted, in which
2547 case we no longer care about it. Don't delete relocs which
2548 represent addresses, though. */
2549 if (irel->r_offset >= addr
2550 && irel->r_offset < addr + count
2551 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
2552 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
2553 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
2554 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
2555 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
2556 (int) R_SH_NONE);
2557
2558 /* If this is a PC relative reloc, see if the range it covers
2559 includes the bytes we have deleted. */
2560 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2561 {
2562 default:
2563 break;
2564
2565 case R_SH_DIR8WPN:
2566 case R_SH_IND12W:
2567 case R_SH_DIR8WPZ:
2568 case R_SH_DIR8WPL:
2569 start = irel->r_offset;
2570 insn = bfd_get_16 (abfd, contents + nraddr);
2571 break;
2572 }
2573
2574 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2575 {
2576 default:
2577 start = stop = addr;
2578 break;
2579
2580 case R_SH_DIR32:
2581 /* If this reloc is against a symbol defined in this
2582 section, and the symbol will not be adjusted below, we
2583 must check the addend to see it will put the value in
2584 range to be adjusted, and hence must be changed. */
2585 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
2586 {
2587 isym = isymbuf + ELF32_R_SYM (irel->r_info);
2588 if (isym->st_shndx == sec_shndx
2589 && (isym->st_value <= addr
2590 || isym->st_value >= toaddr))
2591 {
2592 bfd_vma val;
2593
2594 val = bfd_get_32 (abfd, contents + nraddr);
2595 val += isym->st_value;
2596 if (val > addr && val < toaddr)
2597 bfd_put_32 (abfd, val - count, contents + nraddr);
2598 }
2599 }
2600 start = stop = addr;
2601 break;
2602
2603 case R_SH_DIR8WPN:
2604 off = insn & 0xff;
2605 if (off & 0x80)
2606 off -= 0x100;
2607 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
2608 break;
2609
2610 case R_SH_IND12W:
2611 off = insn & 0xfff;
2612 if (! off)
2613 {
2614 /* This has been made by previous relaxation. Since the
2615 relocation will be against an external symbol, the
2616 final relocation will just do the right thing. */
2617 start = stop = addr;
2618 }
2619 else
2620 {
2621 if (off & 0x800)
2622 off -= 0x1000;
2623 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
2624
2625 /* The addend will be against the section symbol, thus
2626 for adjusting the addend, the relevant start is the
2627 start of the section.
2628 N.B. If we want to abandon in-place changes here and
2629 test directly using symbol + addend, we have to take into
2630 account that the addend has already been adjusted by -4. */
2631 if (stop > addr && stop < toaddr)
2632 irel->r_addend -= count;
2633 }
2634 break;
2635
2636 case R_SH_DIR8WPZ:
2637 off = insn & 0xff;
2638 stop = start + 4 + off * 2;
2639 break;
2640
2641 case R_SH_DIR8WPL:
2642 off = insn & 0xff;
2643 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
2644 break;
2645
2646 case R_SH_SWITCH8:
2647 case R_SH_SWITCH16:
2648 case R_SH_SWITCH32:
2649 /* These relocs types represent
2650 .word L2-L1
2651 The r_addend field holds the difference between the reloc
2652 address and L1. That is the start of the reloc, and
2653 adding in the contents gives us the top. We must adjust
2654 both the r_offset field and the section contents.
2655 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
2656 and the elf bfd r_offset is called r_vaddr. */
2657
2658 stop = irel->r_offset;
2659 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
2660
2661 if (start > addr
2662 && start < toaddr
2663 && (stop <= addr || stop >= toaddr))
2664 irel->r_addend += count;
2665 else if (stop > addr
2666 && stop < toaddr
2667 && (start <= addr || start >= toaddr))
2668 irel->r_addend -= count;
2669
2670 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
2671 voff = bfd_get_signed_16 (abfd, contents + nraddr);
2672 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
2673 voff = bfd_get_8 (abfd, contents + nraddr);
2674 else
2675 voff = bfd_get_signed_32 (abfd, contents + nraddr);
2676 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
2677
2678 break;
2679
2680 case R_SH_USES:
2681 start = irel->r_offset;
2682 stop = (bfd_vma) ((bfd_signed_vma) start
2683 + (long) irel->r_addend
2684 + 4);
2685 break;
2686 }
2687
2688 if (start > addr
2689 && start < toaddr
2690 && (stop <= addr || stop >= toaddr))
2691 adjust = count;
2692 else if (stop > addr
2693 && stop < toaddr
2694 && (start <= addr || start >= toaddr))
2695 adjust = - count;
2696 else
2697 adjust = 0;
2698
2699 if (adjust != 0)
2700 {
2701 oinsn = insn;
2702 overflow = FALSE;
2703 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2704 {
2705 default:
2706 abort ();
2707 break;
2708
2709 case R_SH_DIR8WPN:
2710 case R_SH_DIR8WPZ:
2711 insn += adjust / 2;
2712 if ((oinsn & 0xff00) != (insn & 0xff00))
2713 overflow = TRUE;
2714 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2715 break;
2716
2717 case R_SH_IND12W:
2718 insn += adjust / 2;
2719 if ((oinsn & 0xf000) != (insn & 0xf000))
2720 overflow = TRUE;
2721 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2722 break;
2723
2724 case R_SH_DIR8WPL:
2725 BFD_ASSERT (adjust == count || count >= 4);
2726 if (count >= 4)
2727 insn += adjust / 4;
2728 else
2729 {
2730 if ((irel->r_offset & 3) == 0)
2731 ++insn;
2732 }
2733 if ((oinsn & 0xff00) != (insn & 0xff00))
2734 overflow = TRUE;
2735 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2736 break;
2737
2738 case R_SH_SWITCH8:
2739 voff += adjust;
2740 if (voff < 0 || voff >= 0xff)
2741 overflow = TRUE;
2742 bfd_put_8 (abfd, voff, contents + nraddr);
2743 break;
2744
2745 case R_SH_SWITCH16:
2746 voff += adjust;
2747 if (voff < - 0x8000 || voff >= 0x8000)
2748 overflow = TRUE;
2749 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
2750 break;
2751
2752 case R_SH_SWITCH32:
2753 voff += adjust;
2754 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
2755 break;
2756
2757 case R_SH_USES:
2758 irel->r_addend += adjust;
2759 break;
2760 }
2761
2762 if (overflow)
2763 {
2764 ((*_bfd_error_handler)
2765 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
2766 abfd, (unsigned long) irel->r_offset));
2767 bfd_set_error (bfd_error_bad_value);
2768 return FALSE;
2769 }
2770 }
2771
2772 irel->r_offset = nraddr;
2773 }
2774
2775 /* Look through all the other sections. If there contain any IMM32
2776 relocs against internal symbols which we are not going to adjust
2777 below, we may need to adjust the addends. */
2778 for (o = abfd->sections; o != NULL; o = o->next)
2779 {
2780 Elf_Internal_Rela *internal_relocs;
2781 Elf_Internal_Rela *irelscan, *irelscanend;
2782 bfd_byte *ocontents;
2783
2784 if (o == sec
2785 || (o->flags & SEC_RELOC) == 0
2786 || o->reloc_count == 0)
2787 continue;
2788
2789 /* We always cache the relocs. Perhaps, if info->keep_memory is
2790 FALSE, we should free them, if we are permitted to, when we
2791 leave sh_coff_relax_section. */
2792 internal_relocs = (_bfd_elf_link_read_relocs
2793 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
2794 if (internal_relocs == NULL)
2795 return FALSE;
2796
2797 ocontents = NULL;
2798 irelscanend = internal_relocs + o->reloc_count;
2799 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
2800 {
2801 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
2802 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
2803 {
2804 bfd_vma start, stop;
2805 bfd_signed_vma voff;
2806
2807 if (ocontents == NULL)
2808 {
2809 if (elf_section_data (o)->this_hdr.contents != NULL)
2810 ocontents = elf_section_data (o)->this_hdr.contents;
2811 else
2812 {
2813 /* We always cache the section contents.
2814 Perhaps, if info->keep_memory is FALSE, we
2815 should free them, if we are permitted to,
2816 when we leave sh_coff_relax_section. */
2817 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
2818 {
2819 if (ocontents != NULL)
2820 free (ocontents);
2821 return FALSE;
2822 }
2823
2824 elf_section_data (o)->this_hdr.contents = ocontents;
2825 }
2826 }
2827
2828 stop = irelscan->r_offset;
2829 start
2830 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
2831
2832 /* STOP is in a different section, so it won't change. */
2833 if (start > addr && start < toaddr)
2834 irelscan->r_addend += count;
2835
2836 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
2837 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
2838
2839 if (start > addr
2840 && start < toaddr
2841 && (stop <= addr || stop >= toaddr))
2842 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
2843 ocontents + irelscan->r_offset);
2844 else if (stop > addr
2845 && stop < toaddr
2846 && (start <= addr || start >= toaddr))
2847 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
2848 ocontents + irelscan->r_offset);
2849 }
2850
2851 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
2852 continue;
2853
2854 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
2855 continue;
2856
2857
2858 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
2859 if (isym->st_shndx == sec_shndx
2860 && (isym->st_value <= addr
2861 || isym->st_value >= toaddr))
2862 {
2863 bfd_vma val;
2864
2865 if (ocontents == NULL)
2866 {
2867 if (elf_section_data (o)->this_hdr.contents != NULL)
2868 ocontents = elf_section_data (o)->this_hdr.contents;
2869 else
2870 {
2871 /* We always cache the section contents.
2872 Perhaps, if info->keep_memory is FALSE, we
2873 should free them, if we are permitted to,
2874 when we leave sh_coff_relax_section. */
2875 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
2876 {
2877 if (ocontents != NULL)
2878 free (ocontents);
2879 return FALSE;
2880 }
2881
2882 elf_section_data (o)->this_hdr.contents = ocontents;
2883 }
2884 }
2885
2886 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
2887 val += isym->st_value;
2888 if (val > addr && val < toaddr)
2889 bfd_put_32 (abfd, val - count,
2890 ocontents + irelscan->r_offset);
2891 }
2892 }
2893 }
2894
2895 /* Adjust the local symbols defined in this section. */
2896 isymend = isymbuf + symtab_hdr->sh_info;
2897 for (isym = isymbuf; isym < isymend; isym++)
2898 {
2899 if (isym->st_shndx == sec_shndx
2900 && isym->st_value > addr
2901 && isym->st_value < toaddr)
2902 isym->st_value -= count;
2903 }
2904
2905 /* Now adjust the global symbols defined in this section. */
2906 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2907 - symtab_hdr->sh_info);
2908 sym_hashes = elf_sym_hashes (abfd);
2909 end_hashes = sym_hashes + symcount;
2910 for (; sym_hashes < end_hashes; sym_hashes++)
2911 {
2912 struct elf_link_hash_entry *sym_hash = *sym_hashes;
2913 if ((sym_hash->root.type == bfd_link_hash_defined
2914 || sym_hash->root.type == bfd_link_hash_defweak)
2915 && sym_hash->root.u.def.section == sec
2916 && sym_hash->root.u.def.value > addr
2917 && sym_hash->root.u.def.value < toaddr)
2918 {
2919 sym_hash->root.u.def.value -= count;
2920 }
2921 }
2922
2923 /* See if we can move the ALIGN reloc forward. We have adjusted
2924 r_offset for it already. */
2925 if (irelalign != NULL)
2926 {
2927 bfd_vma alignto, alignaddr;
2928
2929 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
2930 alignaddr = BFD_ALIGN (irelalign->r_offset,
2931 1 << irelalign->r_addend);
2932 if (alignto != alignaddr)
2933 {
2934 /* Tail recursion. */
2935 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
2936 (int) (alignto - alignaddr));
2937 }
2938 }
2939
2940 return TRUE;
2941 }
2942
2943 /* Look for loads and stores which we can align to four byte
2944 boundaries. This is like sh_align_loads in coff-sh.c. */
2945
2946 static bfd_boolean
2947 sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
2948 Elf_Internal_Rela *internal_relocs,
2949 bfd_byte *contents ATTRIBUTE_UNUSED,
2950 bfd_boolean *pswapped)
2951 {
2952 Elf_Internal_Rela *irel, *irelend;
2953 bfd_vma *labels = NULL;
2954 bfd_vma *label, *label_end;
2955 bfd_size_type amt;
2956
2957 *pswapped = FALSE;
2958
2959 irelend = internal_relocs + sec->reloc_count;
2960
2961 /* Get all the addresses with labels on them. */
2962 amt = sec->reloc_count;
2963 amt *= sizeof (bfd_vma);
2964 labels = (bfd_vma *) bfd_malloc (amt);
2965 if (labels == NULL)
2966 goto error_return;
2967 label_end = labels;
2968 for (irel = internal_relocs; irel < irelend; irel++)
2969 {
2970 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
2971 {
2972 *label_end = irel->r_offset;
2973 ++label_end;
2974 }
2975 }
2976
2977 /* Note that the assembler currently always outputs relocs in
2978 address order. If that ever changes, this code will need to sort
2979 the label values and the relocs. */
2980
2981 label = labels;
2982
2983 for (irel = internal_relocs; irel < irelend; irel++)
2984 {
2985 bfd_vma start, stop;
2986
2987 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
2988 continue;
2989
2990 start = irel->r_offset;
2991
2992 for (irel++; irel < irelend; irel++)
2993 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
2994 break;
2995 if (irel < irelend)
2996 stop = irel->r_offset;
2997 else
2998 stop = sec->size;
2999
3000 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
3001 internal_relocs, &label,
3002 label_end, start, stop, pswapped))
3003 goto error_return;
3004 }
3005
3006 free (labels);
3007
3008 return TRUE;
3009
3010 error_return:
3011 if (labels != NULL)
3012 free (labels);
3013 return FALSE;
3014 }
3015
3016 #ifndef SH64_ELF
3017 /* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
3018
3019 static bfd_boolean
3020 sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
3021 bfd_byte *contents, bfd_vma addr)
3022 {
3023 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
3024 unsigned short i1, i2;
3025 Elf_Internal_Rela *irel, *irelend;
3026
3027 /* Swap the instructions themselves. */
3028 i1 = bfd_get_16 (abfd, contents + addr);
3029 i2 = bfd_get_16 (abfd, contents + addr + 2);
3030 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
3031 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
3032
3033 /* Adjust all reloc addresses. */
3034 irelend = internal_relocs + sec->reloc_count;
3035 for (irel = internal_relocs; irel < irelend; irel++)
3036 {
3037 enum elf_sh_reloc_type type;
3038 int add;
3039
3040 /* There are a few special types of relocs that we don't want to
3041 adjust. These relocs do not apply to the instruction itself,
3042 but are only associated with the address. */
3043 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
3044 if (type == R_SH_ALIGN
3045 || type == R_SH_CODE
3046 || type == R_SH_DATA
3047 || type == R_SH_LABEL)
3048 continue;
3049
3050 /* If an R_SH_USES reloc points to one of the addresses being
3051 swapped, we must adjust it. It would be incorrect to do this
3052 for a jump, though, since we want to execute both
3053 instructions after the jump. (We have avoided swapping
3054 around a label, so the jump will not wind up executing an
3055 instruction it shouldn't). */
3056 if (type == R_SH_USES)
3057 {
3058 bfd_vma off;
3059
3060 off = irel->r_offset + 4 + irel->r_addend;
3061 if (off == addr)
3062 irel->r_offset += 2;
3063 else if (off == addr + 2)
3064 irel->r_offset -= 2;
3065 }
3066
3067 if (irel->r_offset == addr)
3068 {
3069 irel->r_offset += 2;
3070 add = -2;
3071 }
3072 else if (irel->r_offset == addr + 2)
3073 {
3074 irel->r_offset -= 2;
3075 add = 2;
3076 }
3077 else
3078 add = 0;
3079
3080 if (add != 0)
3081 {
3082 bfd_byte *loc;
3083 unsigned short insn, oinsn;
3084 bfd_boolean overflow;
3085
3086 loc = contents + irel->r_offset;
3087 overflow = FALSE;
3088 switch (type)
3089 {
3090 default:
3091 break;
3092
3093 case R_SH_DIR8WPN:
3094 case R_SH_DIR8WPZ:
3095 insn = bfd_get_16 (abfd, loc);
3096 oinsn = insn;
3097 insn += add / 2;
3098 if ((oinsn & 0xff00) != (insn & 0xff00))
3099 overflow = TRUE;
3100 bfd_put_16 (abfd, (bfd_vma) insn, loc);
3101 break;
3102
3103 case R_SH_IND12W:
3104 insn = bfd_get_16 (abfd, loc);
3105 oinsn = insn;
3106 insn += add / 2;
3107 if ((oinsn & 0xf000) != (insn & 0xf000))
3108 overflow = TRUE;
3109 bfd_put_16 (abfd, (bfd_vma) insn, loc);
3110 break;
3111
3112 case R_SH_DIR8WPL:
3113 /* This reloc ignores the least significant 3 bits of
3114 the program counter before adding in the offset.
3115 This means that if ADDR is at an even address, the
3116 swap will not affect the offset. If ADDR is an at an
3117 odd address, then the instruction will be crossing a
3118 four byte boundary, and must be adjusted. */
3119 if ((addr & 3) != 0)
3120 {
3121 insn = bfd_get_16 (abfd, loc);
3122 oinsn = insn;
3123 insn += add / 2;
3124 if ((oinsn & 0xff00) != (insn & 0xff00))
3125 overflow = TRUE;
3126 bfd_put_16 (abfd, (bfd_vma) insn, loc);
3127 }
3128
3129 break;
3130 }
3131
3132 if (overflow)
3133 {
3134 ((*_bfd_error_handler)
3135 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
3136 abfd, (unsigned long) irel->r_offset));
3137 bfd_set_error (bfd_error_bad_value);
3138 return FALSE;
3139 }
3140 }
3141 }
3142
3143 return TRUE;
3144 }
3145 #endif /* defined SH64_ELF */
3146 \f
3147 #ifdef INCLUDE_SHMEDIA
3148
3149 /* The size in bytes of an entry in the procedure linkage table. */
3150
3151 #define PLT_ENTRY_SIZE 64
3152
3153 /* First entry in an absolute procedure linkage table look like this. */
3154
3155 static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] =
3156 {
3157 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
3158 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
3159 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
3160 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3161 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
3162 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3163 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3164 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3165 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3166 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3167 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3168 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3169 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3170 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3171 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3172 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3173 };
3174
3175 static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] =
3176 {
3177 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
3178 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
3179 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
3180 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3181 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
3182 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3183 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3184 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3185 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3186 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3187 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3188 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3189 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3190 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3191 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3192 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3193 };
3194
3195 /* Sebsequent entries in an absolute procedure linkage table look like
3196 this. */
3197
3198 static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] =
3199 {
3200 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
3201 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
3202 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
3203 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3204 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3205 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3206 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3207 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3208 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
3209 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
3210 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3211 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3212 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3213 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3214 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3215 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3216 };
3217
3218 static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] =
3219 {
3220 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
3221 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3222 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
3223 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3224 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3225 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3226 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3227 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3228 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
3229 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
3230 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3231 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3232 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3233 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3234 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3235 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3236 };
3237
3238 /* Entries in a PIC procedure linkage table look like this. */
3239
3240 static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] =
3241 {
3242 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
3243 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
3244 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
3245 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3246 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3247 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3248 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3249 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3250 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
3251 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
3252 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
3253 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3254 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
3255 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3256 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3257 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3258 };
3259
3260 static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] =
3261 {
3262 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
3263 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
3264 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
3265 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3266 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3267 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3268 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3269 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3270 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
3271 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
3272 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
3273 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3274 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
3275 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3276 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3277 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3278 };
3279
3280 static const bfd_byte *elf_sh_plt0_entry;
3281 static const bfd_byte *elf_sh_plt_entry;
3282 static const bfd_byte *elf_sh_pic_plt_entry;
3283
3284 /* Return size of a PLT entry. */
3285 #define elf_sh_sizeof_plt(info) PLT_ENTRY_SIZE
3286
3287 /* Return offset of the PLT0 address in an absolute PLT entry. */
3288 #define elf_sh_plt_plt0_offset(info) 32
3289
3290 /* Return offset of the linker in PLT0 entry. */
3291 #define elf_sh_plt0_gotplt_offset(info) 0
3292
3293 /* Return offset of the trampoline in PLT entry */
3294 #define elf_sh_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */
3295
3296 /* Return offset of the symbol in PLT entry. */
3297 #define elf_sh_plt_symbol_offset(info) 0
3298
3299 /* Return offset of the relocation in PLT entry. */
3300 #define elf_sh_plt_reloc_offset(info) (info->shared ? 52 : 44)
3301
3302 inline static void
3303 movi_shori_putval (bfd *output_bfd, unsigned long value, bfd_byte *addr)
3304 {
3305 bfd_put_32 (output_bfd,
3306 bfd_get_32 (output_bfd, addr)
3307 | ((value >> 6) & 0x3fffc00),
3308 addr);
3309 bfd_put_32 (output_bfd,
3310 bfd_get_32 (output_bfd, addr + 4)
3311 | ((value << 10) & 0x3fffc00),
3312 addr + 4);
3313 }
3314
3315 #else
3316 /* The size in bytes of an entry in the procedure linkage table. */
3317
3318 #define PLT_ENTRY_SIZE 28
3319
3320 /* First entry in an absolute procedure linkage table look like this. */
3321
3322 /* Note - this code has been "optimised" not to use r2. r2 is used by
3323 GCC to return the address of large structures, so it should not be
3324 corrupted here. This does mean however, that this PLT does not conform
3325 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
3326 and r2 contains the GOT id. This version stores the GOT id in r0 and
3327 ignores the type. Loaders can easily detect this difference however,
3328 since the type will always be 0 or 8, and the GOT ids will always be
3329 greater than or equal to 12. */
3330 static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] =
3331 {
3332 0xd0, 0x05, /* mov.l 2f,r0 */
3333 0x60, 0x02, /* mov.l @r0,r0 */
3334 0x2f, 0x06, /* mov.l r0,@-r15 */
3335 0xd0, 0x03, /* mov.l 1f,r0 */
3336 0x60, 0x02, /* mov.l @r0,r0 */
3337 0x40, 0x2b, /* jmp @r0 */
3338 0x60, 0xf6, /* mov.l @r15+,r0 */
3339 0x00, 0x09, /* nop */
3340 0x00, 0x09, /* nop */
3341 0x00, 0x09, /* nop */
3342 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
3343 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
3344 };
3345
3346 static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] =
3347 {
3348 0x05, 0xd0, /* mov.l 2f,r0 */
3349 0x02, 0x60, /* mov.l @r0,r0 */
3350 0x06, 0x2f, /* mov.l r0,@-r15 */
3351 0x03, 0xd0, /* mov.l 1f,r0 */
3352 0x02, 0x60, /* mov.l @r0,r0 */
3353 0x2b, 0x40, /* jmp @r0 */
3354 0xf6, 0x60, /* mov.l @r15+,r0 */
3355 0x09, 0x00, /* nop */
3356 0x09, 0x00, /* nop */
3357 0x09, 0x00, /* nop */
3358 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
3359 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
3360 };
3361
3362 /* Sebsequent entries in an absolute procedure linkage table look like
3363 this. */
3364
3365 static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] =
3366 {
3367 0xd0, 0x04, /* mov.l 1f,r0 */
3368 0x60, 0x02, /* mov.l @r0,r0 */
3369 0xd1, 0x02, /* mov.l 0f,r1 */
3370 0x40, 0x2b, /* jmp @r0 */
3371 0x60, 0x13, /* mov r1,r0 */
3372 0xd1, 0x03, /* mov.l 2f,r1 */
3373 0x40, 0x2b, /* jmp @r0 */
3374 0x00, 0x09, /* nop */
3375 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
3376 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3377 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
3378 };
3379
3380 static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] =
3381 {
3382 0x04, 0xd0, /* mov.l 1f,r0 */
3383 0x02, 0x60, /* mov.l @r0,r0 */
3384 0x02, 0xd1, /* mov.l 0f,r1 */
3385 0x2b, 0x40, /* jmp @r0 */
3386 0x13, 0x60, /* mov r1,r0 */
3387 0x03, 0xd1, /* mov.l 2f,r1 */
3388 0x2b, 0x40, /* jmp @r0 */
3389 0x09, 0x00, /* nop */
3390 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
3391 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3392 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
3393 };
3394
3395 /* Entries in a PIC procedure linkage table look like this. */
3396
3397 static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] =
3398 {
3399 0xd0, 0x04, /* mov.l 1f,r0 */
3400 0x00, 0xce, /* mov.l @(r0,r12),r0 */
3401 0x40, 0x2b, /* jmp @r0 */
3402 0x00, 0x09, /* nop */
3403 0x50, 0xc2, /* mov.l @(8,r12),r0 */
3404 0xd1, 0x03, /* mov.l 2f,r1 */
3405 0x40, 0x2b, /* jmp @r0 */
3406 0x50, 0xc1, /* mov.l @(4,r12),r0 */
3407 0x00, 0x09, /* nop */
3408 0x00, 0x09, /* nop */
3409 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3410 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
3411 };
3412
3413 static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] =
3414 {
3415 0x04, 0xd0, /* mov.l 1f,r0 */
3416 0xce, 0x00, /* mov.l @(r0,r12),r0 */
3417 0x2b, 0x40, /* jmp @r0 */
3418 0x09, 0x00, /* nop */
3419 0xc2, 0x50, /* mov.l @(8,r12),r0 */
3420 0x03, 0xd1, /* mov.l 2f,r1 */
3421 0x2b, 0x40, /* jmp @r0 */
3422 0xc1, 0x50, /* mov.l @(4,r12),r0 */
3423 0x09, 0x00, /* nop */
3424 0x09, 0x00, /* nop */
3425 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3426 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
3427 };
3428
3429 static const bfd_byte *elf_sh_plt0_entry;
3430 static const bfd_byte *elf_sh_plt_entry;
3431 static const bfd_byte *elf_sh_pic_plt_entry;
3432
3433 /* Return size of a PLT entry. */
3434 #define elf_sh_sizeof_plt(info) PLT_ENTRY_SIZE
3435
3436 /* Return offset of the PLT0 address in an absolute PLT entry. */
3437 #define elf_sh_plt_plt0_offset(info) 16
3438
3439 /* Return offset of the linker in PLT0 entry. */
3440 #define elf_sh_plt0_linker_offset(info) 20
3441
3442 /* Return offset of the GOT id in PLT0 entry. */
3443 #define elf_sh_plt0_gotid_offset(info) 24
3444
3445 /* Return offset of the temporary in PLT entry */
3446 #define elf_sh_plt_temp_offset(info) 8
3447
3448 /* Return offset of the symbol in PLT entry. */
3449 #define elf_sh_plt_symbol_offset(info) 20
3450
3451 /* Return offset of the relocation in PLT entry. */
3452 #define elf_sh_plt_reloc_offset(info) 24
3453 #endif
3454
3455 /* The sh linker needs to keep track of the number of relocs that it
3456 decides to copy as dynamic relocs in check_relocs for each symbol.
3457 This is so that it can later discard them if they are found to be
3458 unnecessary. We store the information in a field extending the
3459 regular ELF linker hash table. */
3460
3461 struct elf_sh_dyn_relocs
3462 {
3463 struct elf_sh_dyn_relocs *next;
3464
3465 /* The input section of the reloc. */
3466 asection *sec;
3467
3468 /* Total number of relocs copied for the input section. */
3469 bfd_size_type count;
3470
3471 /* Number of pc-relative relocs copied for the input section. */
3472 bfd_size_type pc_count;
3473 };
3474
3475 /* sh ELF linker hash entry. */
3476
3477 struct elf_sh_link_hash_entry
3478 {
3479 struct elf_link_hash_entry root;
3480
3481 #ifdef INCLUDE_SHMEDIA
3482 union
3483 {
3484 bfd_signed_vma refcount;
3485 bfd_vma offset;
3486 } datalabel_got;
3487 #endif
3488
3489 /* Track dynamic relocs copied for this symbol. */
3490 struct elf_sh_dyn_relocs *dyn_relocs;
3491
3492 bfd_signed_vma gotplt_refcount;
3493
3494 enum {
3495 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE
3496 } tls_type;
3497 };
3498
3499 #define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
3500
3501 struct sh_elf_obj_tdata
3502 {
3503 struct elf_obj_tdata root;
3504
3505 /* tls_type for each local got entry. */
3506 char *local_got_tls_type;
3507 };
3508
3509 #define sh_elf_tdata(abfd) \
3510 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
3511
3512 #define sh_elf_local_got_tls_type(abfd) \
3513 (sh_elf_tdata (abfd)->local_got_tls_type)
3514
3515 /* Override the generic function because we need to store sh_elf_obj_tdata
3516 as the specific tdata. */
3517
3518 static bfd_boolean
3519 sh_elf_mkobject (bfd *abfd)
3520 {
3521 bfd_size_type amt = sizeof (struct sh_elf_obj_tdata);
3522 abfd->tdata.any = bfd_zalloc (abfd, amt);
3523 if (abfd->tdata.any == NULL)
3524 return FALSE;
3525 return TRUE;
3526 }
3527
3528 /* sh ELF linker hash table. */
3529
3530 struct elf_sh_link_hash_table
3531 {
3532 struct elf_link_hash_table root;
3533
3534 /* Short-cuts to get to dynamic linker sections. */
3535 asection *sgot;
3536 asection *sgotplt;
3537 asection *srelgot;
3538 asection *splt;
3539 asection *srelplt;
3540 asection *sdynbss;
3541 asection *srelbss;
3542
3543 /* Small local sym to section mapping cache. */
3544 struct sym_sec_cache sym_sec;
3545
3546 /* A counter or offset to track a TLS got entry. */
3547 union
3548 {
3549 bfd_signed_vma refcount;
3550 bfd_vma offset;
3551 } tls_ldm_got;
3552 };
3553
3554 /* Traverse an sh ELF linker hash table. */
3555
3556 #define sh_elf_link_hash_traverse(table, func, info) \
3557 (elf_link_hash_traverse \
3558 (&(table)->root, \
3559 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
3560 (info)))
3561
3562 /* Get the sh ELF linker hash table from a link_info structure. */
3563
3564 #define sh_elf_hash_table(p) \
3565 ((struct elf_sh_link_hash_table *) ((p)->hash))
3566
3567 /* Create an entry in an sh ELF linker hash table. */
3568
3569 static struct bfd_hash_entry *
3570 sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
3571 struct bfd_hash_table *table,
3572 const char *string)
3573 {
3574 struct elf_sh_link_hash_entry *ret =
3575 (struct elf_sh_link_hash_entry *) entry;
3576
3577 /* Allocate the structure if it has not already been allocated by a
3578 subclass. */
3579 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3580 ret = ((struct elf_sh_link_hash_entry *)
3581 bfd_hash_allocate (table,
3582 sizeof (struct elf_sh_link_hash_entry)));
3583 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3584 return (struct bfd_hash_entry *) ret;
3585
3586 /* Call the allocation method of the superclass. */
3587 ret = ((struct elf_sh_link_hash_entry *)
3588 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
3589 table, string));
3590 if (ret != (struct elf_sh_link_hash_entry *) NULL)
3591 {
3592 ret->dyn_relocs = NULL;
3593 ret->gotplt_refcount = 0;
3594 #ifdef INCLUDE_SHMEDIA
3595 ret->datalabel_got.refcount = ret->root.got.refcount;
3596 #endif
3597 ret->tls_type = GOT_UNKNOWN;
3598 }
3599
3600 return (struct bfd_hash_entry *) ret;
3601 }
3602
3603 /* Create an sh ELF linker hash table. */
3604
3605 static struct bfd_link_hash_table *
3606 sh_elf_link_hash_table_create (bfd *abfd)
3607 {
3608 struct elf_sh_link_hash_table *ret;
3609 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
3610
3611 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
3612 if (ret == (struct elf_sh_link_hash_table *) NULL)
3613 return NULL;
3614
3615 if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
3616 sh_elf_link_hash_newfunc))
3617 {
3618 free (ret);
3619 return NULL;
3620 }
3621
3622 ret->sgot = NULL;
3623 ret->sgotplt = NULL;
3624 ret->srelgot = NULL;
3625 ret->splt = NULL;
3626 ret->srelplt = NULL;
3627 ret->sdynbss = NULL;
3628 ret->srelbss = NULL;
3629 ret->sym_sec.abfd = NULL;
3630 ret->tls_ldm_got.refcount = 0;
3631
3632 return &ret->root.root;
3633 }
3634
3635 /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
3636 shortcuts to them in our hash table. */
3637
3638 static bfd_boolean
3639 create_got_section (bfd *dynobj, struct bfd_link_info *info)
3640 {
3641 struct elf_sh_link_hash_table *htab;
3642
3643 if (! _bfd_elf_create_got_section (dynobj, info))
3644 return FALSE;
3645
3646 htab = sh_elf_hash_table (info);
3647 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
3648 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
3649 if (! htab->sgot || ! htab->sgotplt)
3650 abort ();
3651
3652 htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got",
3653 (SEC_ALLOC | SEC_LOAD
3654 | SEC_HAS_CONTENTS
3655 | SEC_IN_MEMORY
3656 | SEC_LINKER_CREATED
3657 | SEC_READONLY));
3658 if (htab->srelgot == NULL
3659 || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
3660 return FALSE;
3661 return TRUE;
3662 }
3663
3664 /* Create dynamic sections when linking against a dynamic object. */
3665
3666 static bfd_boolean
3667 sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
3668 {
3669 struct elf_sh_link_hash_table *htab;
3670 flagword flags, pltflags;
3671 register asection *s;
3672 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
3673 int ptralign = 0;
3674
3675 switch (bed->s->arch_size)
3676 {
3677 case 32:
3678 ptralign = 2;
3679 break;
3680
3681 case 64:
3682 ptralign = 3;
3683 break;
3684
3685 default:
3686 bfd_set_error (bfd_error_bad_value);
3687 return FALSE;
3688 }
3689
3690 htab = sh_elf_hash_table (info);
3691 if (htab->root.dynamic_sections_created)
3692 return TRUE;
3693
3694 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
3695 .rel[a].bss sections. */
3696
3697 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
3698 | SEC_LINKER_CREATED);
3699
3700 pltflags = flags;
3701 pltflags |= SEC_CODE;
3702 if (bed->plt_not_loaded)
3703 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
3704 if (bed->plt_readonly)
3705 pltflags |= SEC_READONLY;
3706
3707 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
3708 htab->splt = s;
3709 if (s == NULL
3710 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
3711 return FALSE;
3712
3713 if (bed->want_plt_sym)
3714 {
3715 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
3716 .plt section. */
3717 struct elf_link_hash_entry *h;
3718 struct bfd_link_hash_entry *bh = NULL;
3719
3720 if (! (_bfd_generic_link_add_one_symbol
3721 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
3722 (bfd_vma) 0, (const char *) NULL, FALSE,
3723 get_elf_backend_data (abfd)->collect, &bh)))
3724 return FALSE;
3725
3726 h = (struct elf_link_hash_entry *) bh;
3727 h->def_regular = 1;
3728 h->type = STT_OBJECT;
3729 htab->root.hplt = h;
3730
3731 if (info->shared
3732 && ! bfd_elf_link_record_dynamic_symbol (info, h))
3733 return FALSE;
3734 }
3735
3736 s = bfd_make_section_with_flags (abfd,
3737 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
3738 flags | SEC_READONLY);
3739 htab->srelplt = s;
3740 if (s == NULL
3741 || ! bfd_set_section_alignment (abfd, s, ptralign))
3742 return FALSE;
3743
3744 if (htab->sgot == NULL
3745 && !create_got_section (abfd, info))
3746 return FALSE;
3747
3748 {
3749 const char *secname;
3750 char *relname;
3751 flagword secflags;
3752 asection *sec;
3753
3754 for (sec = abfd->sections; sec; sec = sec->next)
3755 {
3756 secflags = bfd_get_section_flags (abfd, sec);
3757 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
3758 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
3759 continue;
3760 secname = bfd_get_section_name (abfd, sec);
3761 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
3762 strcpy (relname, ".rela");
3763 strcat (relname, secname);
3764 if (bfd_get_section_by_name (abfd, secname))
3765 continue;
3766 s = bfd_make_section_with_flags (abfd, relname,
3767 flags | SEC_READONLY);
3768 if (s == NULL
3769 || ! bfd_set_section_alignment (abfd, s, ptralign))
3770 return FALSE;
3771 }
3772 }
3773
3774 if (bed->want_dynbss)
3775 {
3776 /* The .dynbss section is a place to put symbols which are defined
3777 by dynamic objects, are referenced by regular objects, and are
3778 not functions. We must allocate space for them in the process
3779 image and use a R_*_COPY reloc to tell the dynamic linker to
3780 initialize them at run time. The linker script puts the .dynbss
3781 section into the .bss section of the final image. */
3782 s = bfd_make_section_with_flags (abfd, ".dynbss",
3783 SEC_ALLOC | SEC_LINKER_CREATED);
3784 htab->sdynbss = s;
3785 if (s == NULL)
3786 return FALSE;
3787
3788 /* The .rel[a].bss section holds copy relocs. This section is not
3789 normally needed. We need to create it here, though, so that the
3790 linker will map it to an output section. We can't just create it
3791 only if we need it, because we will not know whether we need it
3792 until we have seen all the input files, and the first time the
3793 main linker code calls BFD after examining all the input files
3794 (size_dynamic_sections) the input sections have already been
3795 mapped to the output sections. If the section turns out not to
3796 be needed, we can discard it later. We will never need this
3797 section when generating a shared object, since they do not use
3798 copy relocs. */
3799 if (! info->shared)
3800 {
3801 s = bfd_make_section_with_flags (abfd,
3802 (bed->default_use_rela_p
3803 ? ".rela.bss" : ".rel.bss"),
3804 flags | SEC_READONLY);
3805 htab->srelbss = s;
3806 if (s == NULL
3807 || ! bfd_set_section_alignment (abfd, s, ptralign))
3808 return FALSE;
3809 }
3810 }
3811
3812 return TRUE;
3813 }
3814 \f
3815 /* Adjust a symbol defined by a dynamic object and referenced by a
3816 regular object. The current definition is in some section of the
3817 dynamic object, but we're not including those sections. We have to
3818 change the definition to something the rest of the link can
3819 understand. */
3820
3821 static bfd_boolean
3822 sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
3823 struct elf_link_hash_entry *h)
3824 {
3825 struct elf_sh_link_hash_table *htab;
3826 struct elf_sh_link_hash_entry *eh;
3827 struct elf_sh_dyn_relocs *p;
3828 asection *s;
3829 unsigned int power_of_two;
3830
3831 htab = sh_elf_hash_table (info);
3832
3833 /* Make sure we know what is going on here. */
3834 BFD_ASSERT (htab->root.dynobj != NULL
3835 && (h->needs_plt
3836 || h->u.weakdef != NULL
3837 || (h->def_dynamic
3838 && h->ref_regular
3839 && !h->def_regular)));
3840
3841 /* If this is a function, put it in the procedure linkage table. We
3842 will fill in the contents of the procedure linkage table later,
3843 when we know the address of the .got section. */
3844 if (h->type == STT_FUNC
3845 || h->needs_plt)
3846 {
3847 if (h->plt.refcount <= 0
3848 || SYMBOL_CALLS_LOCAL (info, h)
3849 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3850 && h->root.type == bfd_link_hash_undefweak))
3851 {
3852 /* This case can occur if we saw a PLT reloc in an input
3853 file, but the symbol was never referred to by a dynamic
3854 object. In such a case, we don't actually need to build
3855 a procedure linkage table, and we can just do a REL32
3856 reloc instead. */
3857 h->plt.offset = (bfd_vma) -1;
3858 h->needs_plt = 0;
3859 }
3860
3861 return TRUE;
3862 }
3863 else
3864 h->plt.offset = (bfd_vma) -1;
3865
3866 /* If this is a weak symbol, and there is a real definition, the
3867 processor independent code will have arranged for us to see the
3868 real definition first, and we can just use the same value. */
3869 if (h->u.weakdef != NULL)
3870 {
3871 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3872 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3873 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3874 h->root.u.def.value = h->u.weakdef->root.u.def.value;
3875 if (info->nocopyreloc)
3876 h->non_got_ref = h->u.weakdef->non_got_ref;
3877 return TRUE;
3878 }
3879
3880 /* This is a reference to a symbol defined by a dynamic object which
3881 is not a function. */
3882
3883 /* If we are creating a shared library, we must presume that the
3884 only references to the symbol are via the global offset table.
3885 For such cases we need not do anything here; the relocations will
3886 be handled correctly by relocate_section. */
3887 if (info->shared)
3888 return TRUE;
3889
3890 /* If there are no references to this symbol that do not use the
3891 GOT, we don't need to generate a copy reloc. */
3892 if (!h->non_got_ref)
3893 return TRUE;
3894
3895 /* If -z nocopyreloc was given, we won't generate them either. */
3896 if (info->nocopyreloc)
3897 {
3898 h->non_got_ref = 0;
3899 return TRUE;
3900 }
3901
3902 eh = (struct elf_sh_link_hash_entry *) h;
3903 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3904 {
3905 s = p->sec->output_section;
3906 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
3907 break;
3908 }
3909
3910 /* If we didn't find any dynamic relocs in sections which needs the
3911 copy reloc, then we'll be keeping the dynamic relocs and avoiding
3912 the copy reloc. */
3913 if (p == NULL)
3914 {
3915 h->non_got_ref = 0;
3916 return TRUE;
3917 }
3918
3919 if (h->size == 0)
3920 {
3921 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
3922 h->root.root.string);
3923 return TRUE;
3924 }
3925
3926 /* We must allocate the symbol in our .dynbss section, which will
3927 become part of the .bss section of the executable. There will be
3928 an entry for this symbol in the .dynsym section. The dynamic
3929 object will contain position independent code, so all references
3930 from the dynamic object to this symbol will go through the global
3931 offset table. The dynamic linker will use the .dynsym entry to
3932 determine the address it must put in the global offset table, so
3933 both the dynamic object and the regular object will refer to the
3934 same memory location for the variable. */
3935
3936 s = htab->sdynbss;
3937 BFD_ASSERT (s != NULL);
3938
3939 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
3940 copy the initial value out of the dynamic object and into the
3941 runtime process image. We need to remember the offset into the
3942 .rela.bss section we are going to use. */
3943 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
3944 {
3945 asection *srel;
3946
3947 srel = htab->srelbss;
3948 BFD_ASSERT (srel != NULL);
3949 srel->size += sizeof (Elf32_External_Rela);
3950 h->needs_copy = 1;
3951 }
3952
3953 /* We need to figure out the alignment required for this symbol. I
3954 have no idea how ELF linkers handle this. */
3955 power_of_two = bfd_log2 (h->size);
3956 if (power_of_two > 3)
3957 power_of_two = 3;
3958
3959 /* Apply the required alignment. */
3960 s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
3961 if (power_of_two > bfd_get_section_alignment (htab->root.dynobj, s))
3962 {
3963 if (! bfd_set_section_alignment (htab->root.dynobj, s, power_of_two))
3964 return FALSE;
3965 }
3966
3967 /* Define the symbol as being at this point in the section. */
3968 h->root.u.def.section = s;
3969 h->root.u.def.value = s->size;
3970
3971 /* Increment the section size to make room for the symbol. */
3972 s->size += h->size;
3973
3974 return TRUE;
3975 }
3976
3977 /* Allocate space in .plt, .got and associated reloc sections for
3978 dynamic relocs. */
3979
3980 static bfd_boolean
3981 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3982 {
3983 struct bfd_link_info *info;
3984 struct elf_sh_link_hash_table *htab;
3985 struct elf_sh_link_hash_entry *eh;
3986 struct elf_sh_dyn_relocs *p;
3987
3988 if (h->root.type == bfd_link_hash_indirect)
3989 return TRUE;
3990
3991 if (h->root.type == bfd_link_hash_warning)
3992 /* When warning symbols are created, they **replace** the "real"
3993 entry in the hash table, thus we never get to see the real
3994 symbol in a hash traversal. So look at it now. */
3995 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3996
3997 info = (struct bfd_link_info *) inf;
3998 htab = sh_elf_hash_table (info);
3999
4000 eh = (struct elf_sh_link_hash_entry *) h;
4001 if ((h->got.refcount > 0
4002 || h->forced_local)
4003 && eh->gotplt_refcount > 0)
4004 {
4005 /* The symbol has been forced local, or we have some direct got refs,
4006 so treat all the gotplt refs as got refs. */
4007 h->got.refcount += eh->gotplt_refcount;
4008 if (h->plt.refcount >= eh->gotplt_refcount)
4009 h->plt.refcount -= eh->gotplt_refcount;
4010 }
4011
4012 if (htab->root.dynamic_sections_created
4013 && h->plt.refcount > 0
4014 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4015 || h->root.type != bfd_link_hash_undefweak))
4016 {
4017 /* Make sure this symbol is output as a dynamic symbol.
4018 Undefined weak syms won't yet be marked as dynamic. */
4019 if (h->dynindx == -1
4020 && !h->forced_local)
4021 {
4022 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4023 return FALSE;
4024 }
4025
4026 if (info->shared
4027 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
4028 {
4029 asection *s = htab->splt;
4030
4031 /* If this is the first .plt entry, make room for the special
4032 first entry. */
4033 if (s->size == 0)
4034 s->size += PLT_ENTRY_SIZE;
4035
4036 h->plt.offset = s->size;
4037
4038 /* If this symbol is not defined in a regular file, and we are
4039 not generating a shared library, then set the symbol to this
4040 location in the .plt. This is required to make function
4041 pointers compare as equal between the normal executable and
4042 the shared library. */
4043 if (! info->shared
4044 && !h->def_regular)
4045 {
4046 h->root.u.def.section = s;
4047 h->root.u.def.value = h->plt.offset;
4048 }
4049
4050 /* Make room for this entry. */
4051 s->size += PLT_ENTRY_SIZE;
4052
4053 /* We also need to make an entry in the .got.plt section, which
4054 will be placed in the .got section by the linker script. */
4055 htab->sgotplt->size += 4;
4056
4057 /* We also need to make an entry in the .rel.plt section. */
4058 htab->srelplt->size += sizeof (Elf32_External_Rela);
4059 }
4060 else
4061 {
4062 h->plt.offset = (bfd_vma) -1;
4063 h->needs_plt = 0;
4064 }
4065 }
4066 else
4067 {
4068 h->plt.offset = (bfd_vma) -1;
4069 h->needs_plt = 0;
4070 }
4071
4072 if (h->got.refcount > 0)
4073 {
4074 asection *s;
4075 bfd_boolean dyn;
4076 int tls_type = sh_elf_hash_entry (h)->tls_type;
4077
4078 /* Make sure this symbol is output as a dynamic symbol.
4079 Undefined weak syms won't yet be marked as dynamic. */
4080 if (h->dynindx == -1
4081 && !h->forced_local)
4082 {
4083 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4084 return FALSE;
4085 }
4086
4087 s = htab->sgot;
4088 h->got.offset = s->size;
4089 s->size += 4;
4090 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
4091 if (tls_type == GOT_TLS_GD)
4092 s->size += 4;
4093 dyn = htab->root.dynamic_sections_created;
4094 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
4095 R_SH_TLS_GD needs one if local symbol and two if global. */
4096 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
4097 || (tls_type == GOT_TLS_IE && dyn))
4098 htab->srelgot->size += sizeof (Elf32_External_Rela);
4099 else if (tls_type == GOT_TLS_GD)
4100 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
4101 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4102 || h->root.type != bfd_link_hash_undefweak)
4103 && (info->shared
4104 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
4105 htab->srelgot->size += sizeof (Elf32_External_Rela);
4106 }
4107 else
4108 h->got.offset = (bfd_vma) -1;
4109
4110 #ifdef INCLUDE_SHMEDIA
4111 if (eh->datalabel_got.refcount > 0)
4112 {
4113 asection *s;
4114 bfd_boolean dyn;
4115
4116 /* Make sure this symbol is output as a dynamic symbol.
4117 Undefined weak syms won't yet be marked as dynamic. */
4118 if (h->dynindx == -1
4119 && !h->forced_local)
4120 {
4121 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4122 return FALSE;
4123 }
4124
4125 s = htab->sgot;
4126 eh->datalabel_got.offset = s->size;
4127 s->size += 4;
4128 dyn = htab->root.dynamic_sections_created;
4129 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
4130 htab->srelgot->size += sizeof (Elf32_External_Rela);
4131 }
4132 else
4133 eh->datalabel_got.offset = (bfd_vma) -1;
4134 #endif
4135
4136 if (eh->dyn_relocs == NULL)
4137 return TRUE;
4138
4139 /* In the shared -Bsymbolic case, discard space allocated for
4140 dynamic pc-relative relocs against symbols which turn out to be
4141 defined in regular objects. For the normal shared case, discard
4142 space for pc-relative relocs that have become local due to symbol
4143 visibility changes. */
4144
4145 if (info->shared)
4146 {
4147 if (SYMBOL_CALLS_LOCAL (info, h))
4148 {
4149 struct elf_sh_dyn_relocs **pp;
4150
4151 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
4152 {
4153 p->count -= p->pc_count;
4154 p->pc_count = 0;
4155 if (p->count == 0)
4156 *pp = p->next;
4157 else
4158 pp = &p->next;
4159 }
4160 }
4161
4162 /* Also discard relocs on undefined weak syms with non-default
4163 visibility. */
4164 if (eh->dyn_relocs != NULL
4165 && h->root.type == bfd_link_hash_undefweak)
4166 {
4167 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4168 eh->dyn_relocs = NULL;
4169
4170 /* Make sure undefined weak symbols are output as a dynamic
4171 symbol in PIEs. */
4172 else if (h->dynindx == -1
4173 && !h->forced_local)
4174 {
4175 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4176 return FALSE;
4177 }
4178 }
4179 }
4180 else
4181 {
4182 /* For the non-shared case, discard space for relocs against
4183 symbols which turn out to need copy relocs or are not
4184 dynamic. */
4185
4186 if (!h->non_got_ref
4187 && ((h->def_dynamic
4188 && !h->def_regular)
4189 || (htab->root.dynamic_sections_created
4190 && (h->root.type == bfd_link_hash_undefweak
4191 || h->root.type == bfd_link_hash_undefined))))
4192 {
4193 /* Make sure this symbol is output as a dynamic symbol.
4194 Undefined weak syms won't yet be marked as dynamic. */
4195 if (h->dynindx == -1
4196 && !h->forced_local)
4197 {
4198 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4199 return FALSE;
4200 }
4201
4202 /* If that succeeded, we know we'll be keeping all the
4203 relocs. */
4204 if (h->dynindx != -1)
4205 goto keep;
4206 }
4207
4208 eh->dyn_relocs = NULL;
4209
4210 keep: ;
4211 }
4212
4213 /* Finally, allocate space. */
4214 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4215 {
4216 asection *sreloc = elf_section_data (p->sec)->sreloc;
4217 sreloc->size += p->count * sizeof (Elf32_External_Rela);
4218 }
4219
4220 return TRUE;
4221 }
4222
4223 /* Find any dynamic relocs that apply to read-only sections. */
4224
4225 static bfd_boolean
4226 readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
4227 {
4228 struct elf_sh_link_hash_entry *eh;
4229 struct elf_sh_dyn_relocs *p;
4230
4231 if (h->root.type == bfd_link_hash_warning)
4232 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4233
4234 eh = (struct elf_sh_link_hash_entry *) h;
4235 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4236 {
4237 asection *s = p->sec->output_section;
4238
4239 if (s != NULL && (s->flags & SEC_READONLY) != 0)
4240 {
4241 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4242
4243 info->flags |= DF_TEXTREL;
4244
4245 /* Not an error, just cut short the traversal. */
4246 return FALSE;
4247 }
4248 }
4249 return TRUE;
4250 }
4251
4252 /* Set the sizes of the dynamic sections. */
4253
4254 static bfd_boolean
4255 sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
4256 struct bfd_link_info *info)
4257 {
4258 struct elf_sh_link_hash_table *htab;
4259 bfd *dynobj;
4260 asection *s;
4261 bfd_boolean relocs;
4262 bfd *ibfd;
4263
4264 htab = sh_elf_hash_table (info);
4265 dynobj = htab->root.dynobj;
4266 BFD_ASSERT (dynobj != NULL);
4267
4268 if (htab->root.dynamic_sections_created)
4269 {
4270 /* Set the contents of the .interp section to the interpreter. */
4271 if (info->executable)
4272 {
4273 s = bfd_get_section_by_name (dynobj, ".interp");
4274 BFD_ASSERT (s != NULL);
4275 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
4276 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
4277 }
4278 }
4279
4280 /* Set up .got offsets for local syms, and space for local dynamic
4281 relocs. */
4282 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
4283 {
4284 bfd_signed_vma *local_got;
4285 bfd_signed_vma *end_local_got;
4286 char *local_tls_type;
4287 bfd_size_type locsymcount;
4288 Elf_Internal_Shdr *symtab_hdr;
4289 asection *srel;
4290
4291 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
4292 continue;
4293
4294 for (s = ibfd->sections; s != NULL; s = s->next)
4295 {
4296 struct elf_sh_dyn_relocs *p;
4297
4298 for (p = ((struct elf_sh_dyn_relocs *)
4299 elf_section_data (s)->local_dynrel);
4300 p != NULL;
4301 p = p->next)
4302 {
4303 if (! bfd_is_abs_section (p->sec)
4304 && bfd_is_abs_section (p->sec->output_section))
4305 {
4306 /* Input section has been discarded, either because
4307 it is a copy of a linkonce section or due to
4308 linker script /DISCARD/, so we'll be discarding
4309 the relocs too. */
4310 }
4311 else if (p->count != 0)
4312 {
4313 srel = elf_section_data (p->sec)->sreloc;
4314 srel->size += p->count * sizeof (Elf32_External_Rela);
4315 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
4316 info->flags |= DF_TEXTREL;
4317 }
4318 }
4319 }
4320
4321 local_got = elf_local_got_refcounts (ibfd);
4322 if (!local_got)
4323 continue;
4324
4325 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
4326 locsymcount = symtab_hdr->sh_info;
4327 #ifdef INCLUDE_SHMEDIA
4328 /* Count datalabel local GOT. */
4329 locsymcount *= 2;
4330 #endif
4331 end_local_got = local_got + locsymcount;
4332 local_tls_type = sh_elf_local_got_tls_type (ibfd);
4333 s = htab->sgot;
4334 srel = htab->srelgot;
4335 for (; local_got < end_local_got; ++local_got)
4336 {
4337 if (*local_got > 0)
4338 {
4339 *local_got = s->size;
4340 s->size += 4;
4341 if (*local_tls_type == GOT_TLS_GD)
4342 s->size += 4;
4343 if (info->shared)
4344 srel->size += sizeof (Elf32_External_Rela);
4345 }
4346 else
4347 *local_got = (bfd_vma) -1;
4348 ++local_tls_type;
4349 }
4350 }
4351
4352 if (htab->tls_ldm_got.refcount > 0)
4353 {
4354 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
4355 relocs. */
4356 htab->tls_ldm_got.offset = htab->sgot->size;
4357 htab->sgot->size += 8;
4358 htab->srelgot->size += sizeof (Elf32_External_Rela);
4359 }
4360 else
4361 htab->tls_ldm_got.offset = -1;
4362
4363 /* Allocate global sym .plt and .got entries, and space for global
4364 sym dynamic relocs. */
4365 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
4366
4367 /* We now have determined the sizes of the various dynamic sections.
4368 Allocate memory for them. */
4369 relocs = FALSE;
4370 for (s = dynobj->sections; s != NULL; s = s->next)
4371 {
4372 if ((s->flags & SEC_LINKER_CREATED) == 0)
4373 continue;
4374
4375 if (s == htab->splt
4376 || s == htab->sgot
4377 || s == htab->sgotplt
4378 || s == htab->sdynbss)
4379 {
4380 /* Strip this section if we don't need it; see the
4381 comment below. */
4382 }
4383 else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
4384 {
4385 if (s->size != 0 && s != htab->srelplt)
4386 relocs = TRUE;
4387
4388 /* We use the reloc_count field as a counter if we need
4389 to copy relocs into the output file. */
4390 s->reloc_count = 0;
4391 }
4392 else
4393 {
4394 /* It's not one of our sections, so don't allocate space. */
4395 continue;
4396 }
4397
4398 if (s->size == 0)
4399 {
4400 /* If we don't need this section, strip it from the
4401 output file. This is mostly to handle .rela.bss and
4402 .rela.plt. We must create both sections in
4403 create_dynamic_sections, because they must be created
4404 before the linker maps input sections to output
4405 sections. The linker does that before
4406 adjust_dynamic_symbol is called, and it is that
4407 function which decides whether anything needs to go
4408 into these sections. */
4409
4410 s->flags |= SEC_EXCLUDE;
4411 continue;
4412 }
4413
4414 if ((s->flags & SEC_HAS_CONTENTS) == 0)
4415 continue;
4416
4417 /* Allocate memory for the section contents. We use bfd_zalloc
4418 here in case unused entries are not reclaimed before the
4419 section's contents are written out. This should not happen,
4420 but this way if it does, we get a R_SH_NONE reloc instead
4421 of garbage. */
4422 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
4423 if (s->contents == NULL)
4424 return FALSE;
4425 }
4426
4427 if (htab->root.dynamic_sections_created)
4428 {
4429 /* Add some entries to the .dynamic section. We fill in the
4430 values later, in sh_elf_finish_dynamic_sections, but we
4431 must add the entries now so that we get the correct size for
4432 the .dynamic section. The DT_DEBUG entry is filled in by the
4433 dynamic linker and used by the debugger. */
4434 #define add_dynamic_entry(TAG, VAL) \
4435 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
4436
4437 if (info->executable)
4438 {
4439 if (! add_dynamic_entry (DT_DEBUG, 0))
4440 return FALSE;
4441 }
4442
4443 if (htab->splt->size != 0)
4444 {
4445 if (! add_dynamic_entry (DT_PLTGOT, 0)
4446 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
4447 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
4448 || ! add_dynamic_entry (DT_JMPREL, 0))
4449 return FALSE;
4450 }
4451
4452 if (relocs)
4453 {
4454 if (! add_dynamic_entry (DT_RELA, 0)
4455 || ! add_dynamic_entry (DT_RELASZ, 0)
4456 || ! add_dynamic_entry (DT_RELAENT,
4457 sizeof (Elf32_External_Rela)))
4458 return FALSE;
4459
4460 /* If any dynamic relocs apply to a read-only section,
4461 then we need a DT_TEXTREL entry. */
4462 if ((info->flags & DF_TEXTREL) == 0)
4463 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
4464
4465 if ((info->flags & DF_TEXTREL) != 0)
4466 {
4467 if (! add_dynamic_entry (DT_TEXTREL, 0))
4468 return FALSE;
4469 }
4470 }
4471 }
4472 #undef add_dynamic_entry
4473
4474 return TRUE;
4475 }
4476 \f
4477 /* Relocate an SH ELF section. */
4478
4479 static bfd_boolean
4480 sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
4481 bfd *input_bfd, asection *input_section,
4482 bfd_byte *contents, Elf_Internal_Rela *relocs,
4483 Elf_Internal_Sym *local_syms,
4484 asection **local_sections)
4485 {
4486 struct elf_sh_link_hash_table *htab;
4487 Elf_Internal_Shdr *symtab_hdr;
4488 struct elf_link_hash_entry **sym_hashes;
4489 Elf_Internal_Rela *rel, *relend;
4490 bfd *dynobj;
4491 bfd_vma *local_got_offsets;
4492 asection *sgot;
4493 asection *sgotplt;
4494 asection *splt;
4495 asection *sreloc;
4496 asection *srelgot;
4497
4498 htab = sh_elf_hash_table (info);
4499 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4500 sym_hashes = elf_sym_hashes (input_bfd);
4501 dynobj = htab->root.dynobj;
4502 local_got_offsets = elf_local_got_offsets (input_bfd);
4503
4504 sgot = htab->sgot;
4505 sgotplt = htab->sgotplt;
4506 splt = htab->splt;
4507 sreloc = NULL;
4508 srelgot = NULL;
4509
4510 rel = relocs;
4511 relend = relocs + input_section->reloc_count;
4512 for (; rel < relend; rel++)
4513 {
4514 int r_type;
4515 reloc_howto_type *howto;
4516 unsigned long r_symndx;
4517 Elf_Internal_Sym *sym;
4518 asection *sec;
4519 struct elf_link_hash_entry *h;
4520 bfd_vma relocation;
4521 bfd_vma addend = (bfd_vma) 0;
4522 bfd_reloc_status_type r;
4523 int seen_stt_datalabel = 0;
4524 bfd_vma off;
4525 int tls_type;
4526
4527 r_symndx = ELF32_R_SYM (rel->r_info);
4528
4529 r_type = ELF32_R_TYPE (rel->r_info);
4530
4531 /* Many of the relocs are only used for relaxing, and are
4532 handled entirely by the relaxation code. */
4533 if (r_type >= (int) R_SH_GNU_VTINHERIT
4534 && r_type <= (int) R_SH_LABEL)
4535 continue;
4536 if (r_type == (int) R_SH_NONE)
4537 continue;
4538
4539 if (r_type < 0
4540 || r_type >= R_SH_max
4541 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
4542 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
4543 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
4544 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
4545 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
4546 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
4547 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
4548 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
4549 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
4550 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
4551 {
4552 bfd_set_error (bfd_error_bad_value);
4553 return FALSE;
4554 }
4555
4556 howto = sh_elf_howto_table + r_type;
4557
4558 /* For relocs that aren't partial_inplace, we get the addend from
4559 the relocation. */
4560 if (! howto->partial_inplace)
4561 addend = rel->r_addend;
4562
4563 h = NULL;
4564 sym = NULL;
4565 sec = NULL;
4566 if (r_symndx < symtab_hdr->sh_info)
4567 {
4568 sym = local_syms + r_symndx;
4569 sec = local_sections[r_symndx];
4570 relocation = (sec->output_section->vma
4571 + sec->output_offset
4572 + sym->st_value);
4573 /* A local symbol never has STO_SH5_ISA32, so we don't need
4574 datalabel processing here. Make sure this does not change
4575 without notice. */
4576 if ((sym->st_other & STO_SH5_ISA32) != 0)
4577 ((*info->callbacks->reloc_dangerous)
4578 (info,
4579 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
4580 input_bfd, input_section, rel->r_offset));
4581 if (info->relocatable)
4582 {
4583 /* This is a relocatable link. We don't have to change
4584 anything, unless the reloc is against a section symbol,
4585 in which case we have to adjust according to where the
4586 section symbol winds up in the output section. */
4587 sym = local_syms + r_symndx;
4588 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4589 {
4590 if (! howto->partial_inplace)
4591 {
4592 /* For relocations with the addend in the
4593 relocation, we need just to update the addend.
4594 All real relocs are of type partial_inplace; this
4595 code is mostly for completeness. */
4596 rel->r_addend += sec->output_offset + sym->st_value;
4597
4598 continue;
4599 }
4600
4601 /* Relocs of type partial_inplace need to pick up the
4602 contents in the contents and add the offset resulting
4603 from the changed location of the section symbol.
4604 Using _bfd_final_link_relocate (e.g. goto
4605 final_link_relocate) here would be wrong, because
4606 relocations marked pc_relative would get the current
4607 location subtracted, and we must only do that at the
4608 final link. */
4609 r = _bfd_relocate_contents (howto, input_bfd,
4610 sec->output_offset
4611 + sym->st_value,
4612 contents + rel->r_offset);
4613 goto relocation_done;
4614 }
4615
4616 continue;
4617 }
4618 else if (! howto->partial_inplace)
4619 {
4620 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
4621 addend = rel->r_addend;
4622 }
4623 else if ((sec->flags & SEC_MERGE)
4624 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4625 {
4626 asection *msec;
4627
4628 if (howto->rightshift || howto->src_mask != 0xffffffff)
4629 {
4630 (*_bfd_error_handler)
4631 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
4632 input_bfd, input_section,
4633 (long) rel->r_offset, howto->name);
4634 return FALSE;
4635 }
4636
4637 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4638 msec = sec;
4639 addend =
4640 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
4641 - relocation;
4642 addend += msec->output_section->vma + msec->output_offset;
4643 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4644 addend = 0;
4645 }
4646 }
4647 else
4648 {
4649 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
4650
4651 /* Section symbol are never (?) placed in the hash table, so
4652 we can just ignore hash relocations when creating a
4653 relocatable object file. */
4654 if (info->relocatable)
4655 continue;
4656
4657 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4658 while (h->root.type == bfd_link_hash_indirect
4659 || h->root.type == bfd_link_hash_warning)
4660 {
4661 #ifdef INCLUDE_SHMEDIA
4662 /* If the reference passes a symbol marked with
4663 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4664 doesn't count. */
4665 seen_stt_datalabel |= h->type == STT_DATALABEL;
4666 #endif
4667 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4668 }
4669 if (h->root.type == bfd_link_hash_defined
4670 || h->root.type == bfd_link_hash_defweak)
4671 {
4672 bfd_boolean dyn;
4673
4674 dyn = htab->root.dynamic_sections_created;
4675 sec = h->root.u.def.section;
4676 /* In these cases, we don't need the relocation value.
4677 We check specially because in some obscure cases
4678 sec->output_section will be NULL. */
4679 if (r_type == R_SH_GOTPC
4680 || r_type == R_SH_GOTPC_LOW16
4681 || r_type == R_SH_GOTPC_MEDLOW16
4682 || r_type == R_SH_GOTPC_MEDHI16
4683 || r_type == R_SH_GOTPC_HI16
4684 || ((r_type == R_SH_PLT32
4685 || r_type == R_SH_PLT_LOW16
4686 || r_type == R_SH_PLT_MEDLOW16
4687 || r_type == R_SH_PLT_MEDHI16
4688 || r_type == R_SH_PLT_HI16)
4689 && h->plt.offset != (bfd_vma) -1)
4690 || ((r_type == R_SH_GOT32
4691 || r_type == R_SH_GOT_LOW16
4692 || r_type == R_SH_GOT_MEDLOW16
4693 || r_type == R_SH_GOT_MEDHI16
4694 || r_type == R_SH_GOT_HI16)
4695 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
4696 && (! info->shared
4697 || (! info->symbolic && h->dynindx != -1)
4698 || !h->def_regular))
4699 /* The cases above are those in which relocation is
4700 overwritten in the switch block below. The cases
4701 below are those in which we must defer relocation
4702 to run-time, because we can't resolve absolute
4703 addresses when creating a shared library. */
4704 || (info->shared
4705 && ((! info->symbolic && h->dynindx != -1)
4706 || !h->def_regular)
4707 && ((r_type == R_SH_DIR32
4708 && !h->forced_local)
4709 || (r_type == R_SH_REL32
4710 && !SYMBOL_CALLS_LOCAL (info, h)))
4711 && ((input_section->flags & SEC_ALLOC) != 0
4712 /* DWARF will emit R_SH_DIR32 relocations in its
4713 sections against symbols defined externally
4714 in shared libraries. We can't do anything
4715 with them here. */
4716 || ((input_section->flags & SEC_DEBUGGING) != 0
4717 && h->def_dynamic)))
4718 /* Dynamic relocs are not propagated for SEC_DEBUGGING
4719 sections because such sections are not SEC_ALLOC and
4720 thus ld.so will not process them. */
4721 || (sec->output_section == NULL
4722 && ((input_section->flags & SEC_DEBUGGING) != 0
4723 && h->def_dynamic))
4724 || (sec->output_section == NULL
4725 && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
4726 || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
4727 relocation = 0;
4728 else if (sec->output_section == NULL)
4729 {
4730 (*_bfd_error_handler)
4731 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
4732 input_bfd,
4733 input_section,
4734 (long) rel->r_offset,
4735 howto->name,
4736 h->root.root.string);
4737 return FALSE;
4738 }
4739 else
4740 relocation = ((h->root.u.def.value
4741 + sec->output_section->vma
4742 + sec->output_offset)
4743 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4744 symbol value, unless we've seen
4745 STT_DATALABEL on the way to it. */
4746 | ((h->other & STO_SH5_ISA32) != 0
4747 && ! seen_stt_datalabel));
4748 }
4749 else if (h->root.type == bfd_link_hash_undefweak)
4750 relocation = 0;
4751 else if (info->unresolved_syms_in_objects == RM_IGNORE
4752 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
4753 relocation = 0;
4754 else
4755 {
4756 if (! info->callbacks->undefined_symbol
4757 (info, h->root.root.string, input_bfd,
4758 input_section, rel->r_offset,
4759 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
4760 || ELF_ST_VISIBILITY (h->other))))
4761 return FALSE;
4762 relocation = 0;
4763 }
4764 }
4765
4766 switch ((int) r_type)
4767 {
4768 final_link_relocate:
4769 /* COFF relocs don't use the addend. The addend is used for
4770 R_SH_DIR32 to be compatible with other compilers. */
4771 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4772 contents, rel->r_offset,
4773 relocation, addend);
4774 break;
4775
4776 case R_SH_IND12W:
4777 goto final_link_relocate;
4778
4779 case R_SH_DIR8WPN:
4780 case R_SH_DIR8WPZ:
4781 case R_SH_DIR8WPL:
4782 /* If the reloc is against the start of this section, then
4783 the assembler has already taken care of it and the reloc
4784 is here only to assist in relaxing. If the reloc is not
4785 against the start of this section, then it's against an
4786 external symbol and we must deal with it ourselves. */
4787 if (input_section->output_section->vma + input_section->output_offset
4788 != relocation)
4789 {
4790 int disp = (relocation
4791 - input_section->output_section->vma
4792 - input_section->output_offset
4793 - rel->r_offset);
4794 int mask = 0;
4795 switch (r_type)
4796 {
4797 case R_SH_DIR8WPN:
4798 case R_SH_DIR8WPZ: mask = 1; break;
4799 case R_SH_DIR8WPL: mask = 3; break;
4800 default: mask = 0; break;
4801 }
4802 if (disp & mask)
4803 {
4804 ((*_bfd_error_handler)
4805 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
4806 input_section->owner,
4807 (unsigned long) rel->r_offset));
4808 bfd_set_error (bfd_error_bad_value);
4809 return FALSE;
4810 }
4811 relocation -= 4;
4812 goto final_link_relocate;
4813 }
4814 r = bfd_reloc_ok;
4815 break;
4816
4817 default:
4818 #ifdef INCLUDE_SHMEDIA
4819 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4820 contents, rel, &relocation))
4821 goto final_link_relocate;
4822 #endif
4823 bfd_set_error (bfd_error_bad_value);
4824 return FALSE;
4825
4826 case R_SH_DIR16:
4827 case R_SH_DIR8:
4828 case R_SH_DIR8U:
4829 case R_SH_DIR8S:
4830 case R_SH_DIR4U:
4831 goto final_link_relocate;
4832
4833 case R_SH_DIR8UL:
4834 case R_SH_DIR4UL:
4835 if (relocation & 3)
4836 {
4837 ((*_bfd_error_handler)
4838 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4839 input_section->owner,
4840 (unsigned long) rel->r_offset, howto->name,
4841 (unsigned long) relocation));
4842 bfd_set_error (bfd_error_bad_value);
4843 return FALSE;
4844 }
4845 goto final_link_relocate;
4846
4847 case R_SH_DIR8UW:
4848 case R_SH_DIR8SW:
4849 case R_SH_DIR4UW:
4850 if (relocation & 1)
4851 {
4852 ((*_bfd_error_handler)
4853 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4854 input_section->owner,
4855 (unsigned long) rel->r_offset, howto->name,
4856 (unsigned long) relocation));
4857 bfd_set_error (bfd_error_bad_value);
4858 return FALSE;
4859 }
4860 goto final_link_relocate;
4861
4862 case R_SH_PSHA:
4863 if ((signed int)relocation < -32
4864 || (signed int)relocation > 32)
4865 {
4866 ((*_bfd_error_handler)
4867 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
4868 input_section->owner,
4869 (unsigned long) rel->r_offset,
4870 (unsigned long) relocation));
4871 bfd_set_error (bfd_error_bad_value);
4872 return FALSE;
4873 }
4874 goto final_link_relocate;
4875
4876 case R_SH_PSHL:
4877 if ((signed int)relocation < -16
4878 || (signed int)relocation > 16)
4879 {
4880 ((*_bfd_error_handler)
4881 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
4882 input_section->owner,
4883 (unsigned long) rel->r_offset,
4884 (unsigned long) relocation));
4885 bfd_set_error (bfd_error_bad_value);
4886 return FALSE;
4887 }
4888 goto final_link_relocate;
4889
4890 case R_SH_DIR32:
4891 case R_SH_REL32:
4892 #ifdef INCLUDE_SHMEDIA
4893 case R_SH_IMM_LOW16_PCREL:
4894 case R_SH_IMM_MEDLOW16_PCREL:
4895 case R_SH_IMM_MEDHI16_PCREL:
4896 case R_SH_IMM_HI16_PCREL:
4897 #endif
4898 if (info->shared
4899 && (h == NULL
4900 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4901 || h->root.type != bfd_link_hash_undefweak)
4902 && r_symndx != 0
4903 && (input_section->flags & SEC_ALLOC) != 0
4904 && (r_type == R_SH_DIR32
4905 || !SYMBOL_CALLS_LOCAL (info, h)))
4906 {
4907 Elf_Internal_Rela outrel;
4908 bfd_byte *loc;
4909 bfd_boolean skip, relocate;
4910
4911 /* When generating a shared object, these relocations
4912 are copied into the output file to be resolved at run
4913 time. */
4914
4915 if (sreloc == NULL)
4916 {
4917 const char *name;
4918
4919 name = (bfd_elf_string_from_elf_section
4920 (input_bfd,
4921 elf_elfheader (input_bfd)->e_shstrndx,
4922 elf_section_data (input_section)->rel_hdr.sh_name));
4923 if (name == NULL)
4924 return FALSE;
4925
4926 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
4927 && strcmp (bfd_get_section_name (input_bfd,
4928 input_section),
4929 name + 5) == 0);
4930
4931 sreloc = bfd_get_section_by_name (dynobj, name);
4932 BFD_ASSERT (sreloc != NULL);
4933 }
4934
4935 skip = FALSE;
4936 relocate = FALSE;
4937
4938 outrel.r_offset =
4939 _bfd_elf_section_offset (output_bfd, info, input_section,
4940 rel->r_offset);
4941 if (outrel.r_offset == (bfd_vma) -1)
4942 skip = TRUE;
4943 else if (outrel.r_offset == (bfd_vma) -2)
4944 skip = TRUE, relocate = TRUE;
4945 outrel.r_offset += (input_section->output_section->vma
4946 + input_section->output_offset);
4947
4948 if (skip)
4949 memset (&outrel, 0, sizeof outrel);
4950 else if (r_type == R_SH_REL32)
4951 {
4952 BFD_ASSERT (h != NULL && h->dynindx != -1);
4953 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
4954 outrel.r_addend
4955 = bfd_get_32 (input_bfd, contents + rel->r_offset);
4956 }
4957 #ifdef INCLUDE_SHMEDIA
4958 else if (r_type == R_SH_IMM_LOW16_PCREL
4959 || r_type == R_SH_IMM_MEDLOW16_PCREL
4960 || r_type == R_SH_IMM_MEDHI16_PCREL
4961 || r_type == R_SH_IMM_HI16_PCREL)
4962 {
4963 BFD_ASSERT (h != NULL && h->dynindx != -1);
4964 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
4965 outrel.r_addend = addend;
4966 }
4967 #endif
4968 else
4969 {
4970 /* h->dynindx may be -1 if this symbol was marked to
4971 become local. */
4972 if (h == NULL
4973 || ((info->symbolic || h->dynindx == -1)
4974 && h->def_regular))
4975 {
4976 relocate = TRUE;
4977 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4978 outrel.r_addend
4979 = relocation + bfd_get_32 (input_bfd,
4980 contents + rel->r_offset);
4981 }
4982 else
4983 {
4984 BFD_ASSERT (h->dynindx != -1);
4985 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
4986 outrel.r_addend
4987 = relocation + bfd_get_32 (input_bfd,
4988 contents + rel->r_offset);
4989 }
4990 }
4991
4992 loc = sreloc->contents;
4993 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4994 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4995
4996 /* If this reloc is against an external symbol, we do
4997 not want to fiddle with the addend. Otherwise, we
4998 need to include the symbol value so that it becomes
4999 an addend for the dynamic reloc. */
5000 if (! relocate)
5001 continue;
5002 }
5003 goto final_link_relocate;
5004
5005 case R_SH_GOTPLT32:
5006 #ifdef INCLUDE_SHMEDIA
5007 case R_SH_GOTPLT_LOW16:
5008 case R_SH_GOTPLT_MEDLOW16:
5009 case R_SH_GOTPLT_MEDHI16:
5010 case R_SH_GOTPLT_HI16:
5011 case R_SH_GOTPLT10BY4:
5012 case R_SH_GOTPLT10BY8:
5013 #endif
5014 /* Relocation is to the entry for this symbol in the
5015 procedure linkage table. */
5016
5017 if (h == NULL
5018 || h->forced_local
5019 || ! info->shared
5020 || info->symbolic
5021 || h->dynindx == -1
5022 || h->plt.offset == (bfd_vma) -1
5023 || h->got.offset != (bfd_vma) -1)
5024 goto force_got;
5025
5026 /* Relocation is to the entry for this symbol in the global
5027 offset table extension for the procedure linkage table. */
5028
5029 BFD_ASSERT (sgotplt != NULL);
5030 relocation = (sgotplt->output_offset
5031 + ((h->plt.offset / elf_sh_sizeof_plt (info)
5032 - 1 + 3) * 4));
5033
5034 #ifdef GOT_BIAS
5035 relocation -= GOT_BIAS;
5036 #endif
5037
5038 goto final_link_relocate;
5039
5040 force_got:
5041 case R_SH_GOT32:
5042 #ifdef INCLUDE_SHMEDIA
5043 case R_SH_GOT_LOW16:
5044 case R_SH_GOT_MEDLOW16:
5045 case R_SH_GOT_MEDHI16:
5046 case R_SH_GOT_HI16:
5047 case R_SH_GOT10BY4:
5048 case R_SH_GOT10BY8:
5049 #endif
5050 /* Relocation is to the entry for this symbol in the global
5051 offset table. */
5052
5053 BFD_ASSERT (sgot != NULL);
5054
5055 if (h != NULL)
5056 {
5057 bfd_boolean dyn;
5058
5059 off = h->got.offset;
5060 #ifdef INCLUDE_SHMEDIA
5061 if (seen_stt_datalabel)
5062 {
5063 struct elf_sh_link_hash_entry *hsh;
5064
5065 hsh = (struct elf_sh_link_hash_entry *)h;
5066 off = hsh->datalabel_got.offset;
5067 }
5068 #endif
5069 BFD_ASSERT (off != (bfd_vma) -1);
5070
5071 dyn = htab->root.dynamic_sections_created;
5072 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
5073 || (info->shared
5074 && SYMBOL_REFERENCES_LOCAL (info, h))
5075 || (ELF_ST_VISIBILITY (h->other)
5076 && h->root.type == bfd_link_hash_undefweak))
5077 {
5078 /* This is actually a static link, or it is a
5079 -Bsymbolic link and the symbol is defined
5080 locally, or the symbol was forced to be local
5081 because of a version file. We must initialize
5082 this entry in the global offset table. Since the
5083 offset must always be a multiple of 4, we use the
5084 least significant bit to record whether we have
5085 initialized it already.
5086
5087 When doing a dynamic link, we create a .rela.got
5088 relocation entry to initialize the value. This
5089 is done in the finish_dynamic_symbol routine. */
5090 if ((off & 1) != 0)
5091 off &= ~1;
5092 else
5093 {
5094 bfd_put_32 (output_bfd, relocation,
5095 sgot->contents + off);
5096 #ifdef INCLUDE_SHMEDIA
5097 if (seen_stt_datalabel)
5098 {
5099 struct elf_sh_link_hash_entry *hsh;
5100
5101 hsh = (struct elf_sh_link_hash_entry *)h;
5102 hsh->datalabel_got.offset |= 1;
5103 }
5104 else
5105 #endif
5106 h->got.offset |= 1;
5107 }
5108 }
5109
5110 relocation = sgot->output_offset + off;
5111 }
5112 else
5113 {
5114 #ifdef INCLUDE_SHMEDIA
5115 if (rel->r_addend)
5116 {
5117 BFD_ASSERT (local_got_offsets != NULL
5118 && (local_got_offsets[symtab_hdr->sh_info
5119 + r_symndx]
5120 != (bfd_vma) -1));
5121
5122 off = local_got_offsets[symtab_hdr->sh_info
5123 + r_symndx];
5124 }
5125 else
5126 {
5127 #endif
5128 BFD_ASSERT (local_got_offsets != NULL
5129 && local_got_offsets[r_symndx] != (bfd_vma) -1);
5130
5131 off = local_got_offsets[r_symndx];
5132 #ifdef INCLUDE_SHMEDIA
5133 }
5134 #endif
5135
5136 /* The offset must always be a multiple of 4. We use
5137 the least significant bit to record whether we have
5138 already generated the necessary reloc. */
5139 if ((off & 1) != 0)
5140 off &= ~1;
5141 else
5142 {
5143 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
5144
5145 if (info->shared)
5146 {
5147 Elf_Internal_Rela outrel;
5148 bfd_byte *loc;
5149
5150 if (srelgot == NULL)
5151 {
5152 srelgot = bfd_get_section_by_name (dynobj,
5153 ".rela.got");
5154 BFD_ASSERT (srelgot != NULL);
5155 }
5156
5157 outrel.r_offset = (sgot->output_section->vma
5158 + sgot->output_offset
5159 + off);
5160 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5161 outrel.r_addend = relocation;
5162 loc = srelgot->contents;
5163 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5164 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5165 }
5166
5167 #ifdef INCLUDE_SHMEDIA
5168 if (rel->r_addend)
5169 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
5170 else
5171 #endif
5172 local_got_offsets[r_symndx] |= 1;
5173 }
5174
5175 relocation = sgot->output_offset + off;
5176 }
5177
5178 #ifdef GOT_BIAS
5179 relocation -= GOT_BIAS;
5180 #endif
5181
5182 goto final_link_relocate;
5183
5184 case R_SH_GOTOFF:
5185 #ifdef INCLUDE_SHMEDIA
5186 case R_SH_GOTOFF_LOW16:
5187 case R_SH_GOTOFF_MEDLOW16:
5188 case R_SH_GOTOFF_MEDHI16:
5189 case R_SH_GOTOFF_HI16:
5190 #endif
5191 /* Relocation is relative to the start of the global offset
5192 table. */
5193
5194 BFD_ASSERT (sgot != NULL);
5195
5196 /* Note that sgot->output_offset is not involved in this
5197 calculation. We always want the start of .got. If we
5198 defined _GLOBAL_OFFSET_TABLE in a different way, as is
5199 permitted by the ABI, we might have to change this
5200 calculation. */
5201 relocation -= sgot->output_section->vma;
5202
5203 #ifdef GOT_BIAS
5204 relocation -= GOT_BIAS;
5205 #endif
5206
5207 addend = rel->r_addend;
5208
5209 goto final_link_relocate;
5210
5211 case R_SH_GOTPC:
5212 #ifdef INCLUDE_SHMEDIA
5213 case R_SH_GOTPC_LOW16:
5214 case R_SH_GOTPC_MEDLOW16:
5215 case R_SH_GOTPC_MEDHI16:
5216 case R_SH_GOTPC_HI16:
5217 #endif
5218 /* Use global offset table as symbol value. */
5219
5220 BFD_ASSERT (sgot != NULL);
5221 relocation = sgot->output_section->vma;
5222
5223 #ifdef GOT_BIAS
5224 relocation += GOT_BIAS;
5225 #endif
5226
5227 addend = rel->r_addend;
5228
5229 goto final_link_relocate;
5230
5231 case R_SH_PLT32:
5232 #ifdef INCLUDE_SHMEDIA
5233 case R_SH_PLT_LOW16:
5234 case R_SH_PLT_MEDLOW16:
5235 case R_SH_PLT_MEDHI16:
5236 case R_SH_PLT_HI16:
5237 #endif
5238 /* Relocation is to the entry for this symbol in the
5239 procedure linkage table. */
5240
5241 /* Resolve a PLT reloc against a local symbol directly,
5242 without using the procedure linkage table. */
5243 if (h == NULL)
5244 goto final_link_relocate;
5245
5246 if (h->forced_local)
5247 goto final_link_relocate;
5248
5249 if (h->plt.offset == (bfd_vma) -1)
5250 {
5251 /* We didn't make a PLT entry for this symbol. This
5252 happens when statically linking PIC code, or when
5253 using -Bsymbolic. */
5254 goto final_link_relocate;
5255 }
5256
5257 BFD_ASSERT (splt != NULL);
5258 relocation = (splt->output_section->vma
5259 + splt->output_offset
5260 + h->plt.offset);
5261
5262 #ifdef INCLUDE_SHMEDIA
5263 relocation++;
5264 #endif
5265
5266 addend = rel->r_addend;
5267
5268 goto final_link_relocate;
5269
5270 case R_SH_LOOP_START:
5271 {
5272 static bfd_vma start, end;
5273
5274 start = (relocation + rel->r_addend
5275 - (sec->output_section->vma + sec->output_offset));
5276 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5277 rel->r_offset, sec, start, end);
5278 break;
5279
5280 case R_SH_LOOP_END:
5281 end = (relocation + rel->r_addend
5282 - (sec->output_section->vma + sec->output_offset));
5283 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5284 rel->r_offset, sec, start, end);
5285 break;
5286 }
5287
5288 case R_SH_TLS_GD_32:
5289 case R_SH_TLS_IE_32:
5290 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
5291 tls_type = GOT_UNKNOWN;
5292 if (h == NULL && local_got_offsets)
5293 tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
5294 else if (h != NULL)
5295 {
5296 tls_type = sh_elf_hash_entry (h)->tls_type;
5297 if (! info->shared
5298 && (h->dynindx == -1
5299 || h->def_regular))
5300 r_type = R_SH_TLS_LE_32;
5301 }
5302
5303 if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
5304 r_type = R_SH_TLS_IE_32;
5305
5306 if (r_type == R_SH_TLS_LE_32)
5307 {
5308 bfd_vma offset;
5309 unsigned short insn;
5310
5311 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
5312 {
5313 /* GD->LE transition:
5314 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5315 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5316 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5317 We change it into:
5318 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
5319 nop; nop; ...
5320 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
5321
5322 offset = rel->r_offset;
5323 BFD_ASSERT (offset >= 16);
5324 /* Size of GD instructions is 16 or 18. */
5325 offset -= 16;
5326 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5327 if ((insn & 0xff00) == 0xc700)
5328 {
5329 BFD_ASSERT (offset >= 2);
5330 offset -= 2;
5331 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5332 }
5333
5334 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5335 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5336 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5337 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5338 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5339 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5340 BFD_ASSERT (insn == 0x310c);
5341 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5342 BFD_ASSERT (insn == 0x410b);
5343 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5344 BFD_ASSERT (insn == 0x34cc);
5345
5346 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
5347 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
5348 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5349 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5350 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5351 }
5352 else
5353 {
5354 int index;
5355
5356 /* IE->LE transition:
5357 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
5358 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
5359 We change it into:
5360 mov.l .Ln,rM; stc gbr,rN; nop; ...;
5361 1: x@TPOFF; 2:. */
5362
5363 offset = rel->r_offset;
5364 BFD_ASSERT (offset >= 16);
5365 /* Size of IE instructions is 10 or 12. */
5366 offset -= 10;
5367 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5368 if ((insn & 0xf0ff) == 0x0012)
5369 {
5370 BFD_ASSERT (offset >= 2);
5371 offset -= 2;
5372 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5373 }
5374
5375 BFD_ASSERT ((insn & 0xff00) == 0xd000);
5376 index = insn & 0x00ff;
5377 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5378 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
5379 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5380 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
5381 insn = 0xd000 | (insn & 0x0f00) | index;
5382 bfd_put_16 (output_bfd, insn, contents + offset + 0);
5383 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5384 }
5385
5386 bfd_put_32 (output_bfd, tpoff (info, relocation),
5387 contents + rel->r_offset);
5388 continue;
5389 }
5390
5391 sgot = htab->sgot;
5392 if (sgot == NULL)
5393 abort ();
5394
5395 if (h != NULL)
5396 off = h->got.offset;
5397 else
5398 {
5399 if (local_got_offsets == NULL)
5400 abort ();
5401
5402 off = local_got_offsets[r_symndx];
5403 }
5404
5405 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
5406 if (r_type == R_SH_TLS_IE_32
5407 && ! htab->root.dynamic_sections_created)
5408 {
5409 off &= ~1;
5410 bfd_put_32 (output_bfd, tpoff (info, relocation),
5411 sgot->contents + off);
5412 bfd_put_32 (output_bfd, sgot->output_offset + off,
5413 contents + rel->r_offset);
5414 continue;
5415 }
5416
5417 if ((off & 1) != 0)
5418 off &= ~1;
5419 else
5420 {
5421 Elf_Internal_Rela outrel;
5422 bfd_byte *loc;
5423 int dr_type, indx;
5424
5425 if (srelgot == NULL)
5426 {
5427 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
5428 BFD_ASSERT (srelgot != NULL);
5429 }
5430
5431 outrel.r_offset = (sgot->output_section->vma
5432 + sgot->output_offset + off);
5433
5434 if (h == NULL || h->dynindx == -1)
5435 indx = 0;
5436 else
5437 indx = h->dynindx;
5438
5439 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
5440 R_SH_TLS_TPOFF32);
5441 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
5442 outrel.r_addend = relocation - dtpoff_base (info);
5443 else
5444 outrel.r_addend = 0;
5445 outrel.r_info = ELF32_R_INFO (indx, dr_type);
5446 loc = srelgot->contents;
5447 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5448 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5449
5450 if (r_type == R_SH_TLS_GD_32)
5451 {
5452 if (indx == 0)
5453 {
5454 bfd_put_32 (output_bfd,
5455 relocation - dtpoff_base (info),
5456 sgot->contents + off + 4);
5457 }
5458 else
5459 {
5460 outrel.r_info = ELF32_R_INFO (indx,
5461 R_SH_TLS_DTPOFF32);
5462 outrel.r_offset += 4;
5463 outrel.r_addend = 0;
5464 srelgot->reloc_count++;
5465 loc += sizeof (Elf32_External_Rela);
5466 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5467 }
5468 }
5469
5470 if (h != NULL)
5471 h->got.offset |= 1;
5472 else
5473 local_got_offsets[r_symndx] |= 1;
5474 }
5475
5476 if (off >= (bfd_vma) -2)
5477 abort ();
5478
5479 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
5480 relocation = sgot->output_offset + off;
5481 else
5482 {
5483 bfd_vma offset;
5484 unsigned short insn;
5485
5486 /* GD->IE transition:
5487 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5488 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5489 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5490 We change it into:
5491 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
5492 nop; nop; bra 3f; nop; .align 2;
5493 1: .long x@TPOFF; 2:...; 3:. */
5494
5495 offset = rel->r_offset;
5496 BFD_ASSERT (offset >= 16);
5497 /* Size of GD instructions is 16 or 18. */
5498 offset -= 16;
5499 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5500 if ((insn & 0xff00) == 0xc700)
5501 {
5502 BFD_ASSERT (offset >= 2);
5503 offset -= 2;
5504 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5505 }
5506
5507 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5508
5509 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
5510 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
5511
5512 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5513 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5514 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5515 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5516 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5517 BFD_ASSERT (insn == 0x310c);
5518 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5519 BFD_ASSERT (insn == 0x410b);
5520 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5521 BFD_ASSERT (insn == 0x34cc);
5522
5523 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
5524 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
5525 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
5526 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5527 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5528
5529 bfd_put_32 (output_bfd, sgot->output_offset + off,
5530 contents + rel->r_offset);
5531
5532 continue;
5533 }
5534
5535 addend = rel->r_addend;
5536
5537 goto final_link_relocate;
5538
5539 case R_SH_TLS_LD_32:
5540 if (! info->shared)
5541 {
5542 bfd_vma offset;
5543 unsigned short insn;
5544
5545 /* LD->LE transition:
5546 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5547 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5548 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
5549 We change it into:
5550 stc gbr,r0; nop; nop; nop;
5551 nop; nop; bra 3f; ...; 3:. */
5552
5553 offset = rel->r_offset;
5554 BFD_ASSERT (offset >= 16);
5555 /* Size of LD instructions is 16 or 18. */
5556 offset -= 16;
5557 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5558 if ((insn & 0xff00) == 0xc700)
5559 {
5560 BFD_ASSERT (offset >= 2);
5561 offset -= 2;
5562 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5563 }
5564
5565 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5566 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5567 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5568 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5569 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5570 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5571 BFD_ASSERT (insn == 0x310c);
5572 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5573 BFD_ASSERT (insn == 0x410b);
5574 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5575 BFD_ASSERT (insn == 0x34cc);
5576
5577 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5578 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5579 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5580 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5581 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5582 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5583
5584 continue;
5585 }
5586
5587 sgot = htab->sgot;
5588 if (sgot == NULL)
5589 abort ();
5590
5591 off = htab->tls_ldm_got.offset;
5592 if (off & 1)
5593 off &= ~1;
5594 else
5595 {
5596 Elf_Internal_Rela outrel;
5597 bfd_byte *loc;
5598
5599 srelgot = htab->srelgot;
5600 if (srelgot == NULL)
5601 abort ();
5602
5603 outrel.r_offset = (sgot->output_section->vma
5604 + sgot->output_offset + off);
5605 outrel.r_addend = 0;
5606 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
5607 loc = srelgot->contents;
5608 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5609 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5610 htab->tls_ldm_got.offset |= 1;
5611 }
5612
5613 relocation = sgot->output_offset + off;
5614 addend = rel->r_addend;
5615
5616 goto final_link_relocate;
5617
5618 case R_SH_TLS_LDO_32:
5619 if (! info->shared)
5620 relocation = tpoff (info, relocation);
5621 else
5622 relocation -= dtpoff_base (info);
5623
5624 addend = rel->r_addend;
5625 goto final_link_relocate;
5626
5627 case R_SH_TLS_LE_32:
5628 {
5629 int indx;
5630 Elf_Internal_Rela outrel;
5631 bfd_byte *loc;
5632
5633 if (! info->shared)
5634 {
5635 relocation = tpoff (info, relocation);
5636 addend = rel->r_addend;
5637 goto final_link_relocate;
5638 }
5639
5640 if (sreloc == NULL)
5641 {
5642 const char *name;
5643
5644 name = (bfd_elf_string_from_elf_section
5645 (input_bfd,
5646 elf_elfheader (input_bfd)->e_shstrndx,
5647 elf_section_data (input_section)->rel_hdr.sh_name));
5648 if (name == NULL)
5649 return FALSE;
5650
5651 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
5652 && strcmp (bfd_get_section_name (input_bfd,
5653 input_section),
5654 name + 5) == 0);
5655
5656 sreloc = bfd_get_section_by_name (dynobj, name);
5657 BFD_ASSERT (sreloc != NULL);
5658 }
5659
5660 if (h == NULL || h->dynindx == -1)
5661 indx = 0;
5662 else
5663 indx = h->dynindx;
5664
5665 outrel.r_offset = (input_section->output_section->vma
5666 + input_section->output_offset
5667 + rel->r_offset);
5668 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5669 if (indx == 0)
5670 outrel.r_addend = relocation - dtpoff_base (info);
5671 else
5672 outrel.r_addend = 0;
5673
5674 loc = sreloc->contents;
5675 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5676 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5677 continue;
5678 }
5679 }
5680
5681 relocation_done:
5682 if (r != bfd_reloc_ok)
5683 {
5684 switch (r)
5685 {
5686 default:
5687 case bfd_reloc_outofrange:
5688 abort ();
5689 case bfd_reloc_overflow:
5690 {
5691 const char *name;
5692
5693 if (h != NULL)
5694 name = NULL;
5695 else
5696 {
5697 name = (bfd_elf_string_from_elf_section
5698 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5699 if (name == NULL)
5700 return FALSE;
5701 if (*name == '\0')
5702 name = bfd_section_name (input_bfd, sec);
5703 }
5704 if (! ((*info->callbacks->reloc_overflow)
5705 (info, (h ? &h->root : NULL), name, howto->name,
5706 (bfd_vma) 0, input_bfd, input_section,
5707 rel->r_offset)))
5708 return FALSE;
5709 }
5710 break;
5711 }
5712 }
5713 }
5714
5715 return TRUE;
5716 }
5717
5718 /* This is a version of bfd_generic_get_relocated_section_contents
5719 which uses sh_elf_relocate_section. */
5720
5721 static bfd_byte *
5722 sh_elf_get_relocated_section_contents (bfd *output_bfd,
5723 struct bfd_link_info *link_info,
5724 struct bfd_link_order *link_order,
5725 bfd_byte *data,
5726 bfd_boolean relocatable,
5727 asymbol **symbols)
5728 {
5729 Elf_Internal_Shdr *symtab_hdr;
5730 asection *input_section = link_order->u.indirect.section;
5731 bfd *input_bfd = input_section->owner;
5732 asection **sections = NULL;
5733 Elf_Internal_Rela *internal_relocs = NULL;
5734 Elf_Internal_Sym *isymbuf = NULL;
5735
5736 /* We only need to handle the case of relaxing, or of having a
5737 particular set of section contents, specially. */
5738 if (relocatable
5739 || elf_section_data (input_section)->this_hdr.contents == NULL)
5740 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5741 link_order, data,
5742 relocatable,
5743 symbols);
5744
5745 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
5746
5747 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
5748 (size_t) input_section->size);
5749
5750 if ((input_section->flags & SEC_RELOC) != 0
5751 && input_section->reloc_count > 0)
5752 {
5753 asection **secpp;
5754 Elf_Internal_Sym *isym, *isymend;
5755 bfd_size_type amt;
5756
5757 internal_relocs = (_bfd_elf_link_read_relocs
5758 (input_bfd, input_section, NULL,
5759 (Elf_Internal_Rela *) NULL, FALSE));
5760 if (internal_relocs == NULL)
5761 goto error_return;
5762
5763 if (symtab_hdr->sh_info != 0)
5764 {
5765 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5766 if (isymbuf == NULL)
5767 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5768 symtab_hdr->sh_info, 0,
5769 NULL, NULL, NULL);
5770 if (isymbuf == NULL)
5771 goto error_return;
5772 }
5773
5774 amt = symtab_hdr->sh_info;
5775 amt *= sizeof (asection *);
5776 sections = (asection **) bfd_malloc (amt);
5777 if (sections == NULL && amt != 0)
5778 goto error_return;
5779
5780 isymend = isymbuf + symtab_hdr->sh_info;
5781 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
5782 {
5783 asection *isec;
5784
5785 if (isym->st_shndx == SHN_UNDEF)
5786 isec = bfd_und_section_ptr;
5787 else if (isym->st_shndx == SHN_ABS)
5788 isec = bfd_abs_section_ptr;
5789 else if (isym->st_shndx == SHN_COMMON)
5790 isec = bfd_com_section_ptr;
5791 else
5792 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
5793
5794 *secpp = isec;
5795 }
5796
5797 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5798 input_section, data, internal_relocs,
5799 isymbuf, sections))
5800 goto error_return;
5801
5802 if (sections != NULL)
5803 free (sections);
5804 if (isymbuf != NULL
5805 && symtab_hdr->contents != (unsigned char *) isymbuf)
5806 free (isymbuf);
5807 if (elf_section_data (input_section)->relocs != internal_relocs)
5808 free (internal_relocs);
5809 }
5810
5811 return data;
5812
5813 error_return:
5814 if (sections != NULL)
5815 free (sections);
5816 if (isymbuf != NULL
5817 && symtab_hdr->contents != (unsigned char *) isymbuf)
5818 free (isymbuf);
5819 if (internal_relocs != NULL
5820 && elf_section_data (input_section)->relocs != internal_relocs)
5821 free (internal_relocs);
5822 return NULL;
5823 }
5824
5825 /* Return the base VMA address which should be subtracted from real addresses
5826 when resolving @dtpoff relocation.
5827 This is PT_TLS segment p_vaddr. */
5828
5829 static bfd_vma
5830 dtpoff_base (struct bfd_link_info *info)
5831 {
5832 /* If tls_sec is NULL, we should have signalled an error already. */
5833 if (elf_hash_table (info)->tls_sec == NULL)
5834 return 0;
5835 return elf_hash_table (info)->tls_sec->vma;
5836 }
5837
5838 /* Return the relocation value for R_SH_TLS_TPOFF32.. */
5839
5840 static bfd_vma
5841 tpoff (struct bfd_link_info *info, bfd_vma address)
5842 {
5843 /* If tls_sec is NULL, we should have signalled an error already. */
5844 if (elf_hash_table (info)->tls_sec == NULL)
5845 return 0;
5846 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5847 structure which has 2 pointer fields. */
5848 return (address - elf_hash_table (info)->tls_sec->vma
5849 + align_power ((bfd_vma) 8,
5850 elf_hash_table (info)->tls_sec->alignment_power));
5851 }
5852
5853 static asection *
5854 sh_elf_gc_mark_hook (asection *sec,
5855 struct bfd_link_info *info ATTRIBUTE_UNUSED,
5856 Elf_Internal_Rela *rel, struct elf_link_hash_entry *h,
5857 Elf_Internal_Sym *sym)
5858 {
5859 if (h != NULL)
5860 {
5861 switch (ELF32_R_TYPE (rel->r_info))
5862 {
5863 case R_SH_GNU_VTINHERIT:
5864 case R_SH_GNU_VTENTRY:
5865 break;
5866
5867 default:
5868 #ifdef INCLUDE_SHMEDIA
5869 while (h->root.type == bfd_link_hash_indirect
5870 && h->root.u.i.link)
5871 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5872 #endif
5873 switch (h->root.type)
5874 {
5875 case bfd_link_hash_defined:
5876 case bfd_link_hash_defweak:
5877 return h->root.u.def.section;
5878
5879 case bfd_link_hash_common:
5880 return h->root.u.c.p->section;
5881
5882 default:
5883 break;
5884 }
5885 }
5886 }
5887 else
5888 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
5889
5890 return NULL;
5891 }
5892
5893 /* Update the got entry reference counts for the section being removed. */
5894
5895 static bfd_boolean
5896 sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
5897 asection *sec, const Elf_Internal_Rela *relocs)
5898 {
5899 Elf_Internal_Shdr *symtab_hdr;
5900 struct elf_link_hash_entry **sym_hashes;
5901 bfd_signed_vma *local_got_refcounts;
5902 const Elf_Internal_Rela *rel, *relend;
5903
5904 elf_section_data (sec)->local_dynrel = NULL;
5905
5906 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
5907 sym_hashes = elf_sym_hashes (abfd);
5908 local_got_refcounts = elf_local_got_refcounts (abfd);
5909
5910 relend = relocs + sec->reloc_count;
5911 for (rel = relocs; rel < relend; rel++)
5912 {
5913 unsigned long r_symndx;
5914 unsigned int r_type;
5915 struct elf_link_hash_entry *h = NULL;
5916 #ifdef INCLUDE_SHMEDIA
5917 int seen_stt_datalabel = 0;
5918 #endif
5919
5920 r_symndx = ELF32_R_SYM (rel->r_info);
5921 if (r_symndx >= symtab_hdr->sh_info)
5922 {
5923 struct elf_sh_link_hash_entry *eh;
5924 struct elf_sh_dyn_relocs **pp;
5925 struct elf_sh_dyn_relocs *p;
5926
5927 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5928 while (h->root.type == bfd_link_hash_indirect
5929 || h->root.type == bfd_link_hash_warning)
5930 {
5931 #ifdef INCLUDE_SHMEDIA
5932 seen_stt_datalabel |= h->type == STT_DATALABEL;
5933 #endif
5934 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5935 }
5936 eh = (struct elf_sh_link_hash_entry *) h;
5937 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
5938 if (p->sec == sec)
5939 {
5940 /* Everything must go for SEC. */
5941 *pp = p->next;
5942 break;
5943 }
5944 }
5945
5946 r_type = ELF32_R_TYPE (rel->r_info);
5947 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
5948 {
5949 case R_SH_TLS_LD_32:
5950 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
5951 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
5952 break;
5953
5954 case R_SH_GOT32:
5955 case R_SH_GOTOFF:
5956 case R_SH_GOTPC:
5957 #ifdef INCLUDE_SHMEDIA
5958 case R_SH_GOT_LOW16:
5959 case R_SH_GOT_MEDLOW16:
5960 case R_SH_GOT_MEDHI16:
5961 case R_SH_GOT_HI16:
5962 case R_SH_GOT10BY4:
5963 case R_SH_GOT10BY8:
5964 case R_SH_GOTOFF_LOW16:
5965 case R_SH_GOTOFF_MEDLOW16:
5966 case R_SH_GOTOFF_MEDHI16:
5967 case R_SH_GOTOFF_HI16:
5968 case R_SH_GOTPC_LOW16:
5969 case R_SH_GOTPC_MEDLOW16:
5970 case R_SH_GOTPC_MEDHI16:
5971 case R_SH_GOTPC_HI16:
5972 #endif
5973 case R_SH_TLS_GD_32:
5974 case R_SH_TLS_IE_32:
5975 if (h != NULL)
5976 {
5977 #ifdef INCLUDE_SHMEDIA
5978 if (seen_stt_datalabel)
5979 {
5980 struct elf_sh_link_hash_entry *eh;
5981 eh = (struct elf_sh_link_hash_entry *) h;
5982 if (eh->datalabel_got.refcount > 0)
5983 eh->datalabel_got.refcount -= 1;
5984 }
5985 else
5986 #endif
5987 if (h->got.refcount > 0)
5988 h->got.refcount -= 1;
5989 }
5990 else if (local_got_refcounts != NULL)
5991 {
5992 #ifdef INCLUDE_SHMEDIA
5993 if (rel->r_addend & 1)
5994 {
5995 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5996 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5997 }
5998 else
5999 #endif
6000 if (local_got_refcounts[r_symndx] > 0)
6001 local_got_refcounts[r_symndx] -= 1;
6002 }
6003 break;
6004
6005 case R_SH_DIR32:
6006 case R_SH_REL32:
6007 if (info->shared)
6008 break;
6009 /* Fall thru */
6010
6011 case R_SH_PLT32:
6012 #ifdef INCLUDE_SHMEDIA
6013 case R_SH_PLT_LOW16:
6014 case R_SH_PLT_MEDLOW16:
6015 case R_SH_PLT_MEDHI16:
6016 case R_SH_PLT_HI16:
6017 #endif
6018 if (h != NULL)
6019 {
6020 if (h->plt.refcount > 0)
6021 h->plt.refcount -= 1;
6022 }
6023 break;
6024
6025 case R_SH_GOTPLT32:
6026 #ifdef INCLUDE_SHMEDIA
6027 case R_SH_GOTPLT_LOW16:
6028 case R_SH_GOTPLT_MEDLOW16:
6029 case R_SH_GOTPLT_MEDHI16:
6030 case R_SH_GOTPLT_HI16:
6031 case R_SH_GOTPLT10BY4:
6032 case R_SH_GOTPLT10BY8:
6033 #endif
6034 if (h != NULL)
6035 {
6036 struct elf_sh_link_hash_entry *eh;
6037 eh = (struct elf_sh_link_hash_entry *) h;
6038 if (eh->gotplt_refcount > 0)
6039 {
6040 eh->gotplt_refcount -= 1;
6041 if (h->plt.refcount > 0)
6042 h->plt.refcount -= 1;
6043 }
6044 #ifdef INCLUDE_SHMEDIA
6045 else if (seen_stt_datalabel)
6046 {
6047 if (eh->datalabel_got.refcount > 0)
6048 eh->datalabel_got.refcount -= 1;
6049 }
6050 #endif
6051 else if (h->got.refcount > 0)
6052 h->got.refcount -= 1;
6053 }
6054 else if (local_got_refcounts != NULL)
6055 {
6056 #ifdef INCLUDE_SHMEDIA
6057 if (rel->r_addend & 1)
6058 {
6059 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
6060 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
6061 }
6062 else
6063 #endif
6064 if (local_got_refcounts[r_symndx] > 0)
6065 local_got_refcounts[r_symndx] -= 1;
6066 }
6067 break;
6068
6069 default:
6070 break;
6071 }
6072 }
6073
6074 return TRUE;
6075 }
6076
6077 /* Copy the extra info we tack onto an elf_link_hash_entry. */
6078
6079 static void
6080 sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
6081 struct elf_link_hash_entry *dir,
6082 struct elf_link_hash_entry *ind)
6083 {
6084 struct elf_sh_link_hash_entry *edir, *eind;
6085
6086 edir = (struct elf_sh_link_hash_entry *) dir;
6087 eind = (struct elf_sh_link_hash_entry *) ind;
6088
6089 if (eind->dyn_relocs != NULL)
6090 {
6091 if (edir->dyn_relocs != NULL)
6092 {
6093 struct elf_sh_dyn_relocs **pp;
6094 struct elf_sh_dyn_relocs *p;
6095
6096 /* Add reloc counts against the indirect sym to the direct sym
6097 list. Merge any entries against the same section. */
6098 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
6099 {
6100 struct elf_sh_dyn_relocs *q;
6101
6102 for (q = edir->dyn_relocs; q != NULL; q = q->next)
6103 if (q->sec == p->sec)
6104 {
6105 q->pc_count += p->pc_count;
6106 q->count += p->count;
6107 *pp = p->next;
6108 break;
6109 }
6110 if (q == NULL)
6111 pp = &p->next;
6112 }
6113 *pp = edir->dyn_relocs;
6114 }
6115
6116 edir->dyn_relocs = eind->dyn_relocs;
6117 eind->dyn_relocs = NULL;
6118 }
6119 edir->gotplt_refcount = eind->gotplt_refcount;
6120 eind->gotplt_refcount = 0;
6121 #ifdef INCLUDE_SHMEDIA
6122 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
6123 eind->datalabel_got.refcount = 0;
6124 #endif
6125
6126 if (ind->root.type == bfd_link_hash_indirect
6127 && dir->got.refcount <= 0)
6128 {
6129 edir->tls_type = eind->tls_type;
6130 eind->tls_type = GOT_UNKNOWN;
6131 }
6132
6133 if (ind->root.type != bfd_link_hash_indirect
6134 && dir->dynamic_adjusted)
6135 {
6136 /* If called to transfer flags for a weakdef during processing
6137 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
6138 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
6139 dir->ref_dynamic |= ind->ref_dynamic;
6140 dir->ref_regular |= ind->ref_regular;
6141 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
6142 dir->needs_plt |= ind->needs_plt;
6143 }
6144 else
6145 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
6146 }
6147
6148 static int
6149 sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
6150 int is_local)
6151 {
6152 if (info->shared)
6153 return r_type;
6154
6155 switch (r_type)
6156 {
6157 case R_SH_TLS_GD_32:
6158 case R_SH_TLS_IE_32:
6159 if (is_local)
6160 return R_SH_TLS_LE_32;
6161 return R_SH_TLS_IE_32;
6162 case R_SH_TLS_LD_32:
6163 return R_SH_TLS_LE_32;
6164 }
6165
6166 return r_type;
6167 }
6168
6169 /* Look through the relocs for a section during the first phase.
6170 Since we don't do .gots or .plts, we just need to consider the
6171 virtual table relocs for gc. */
6172
6173 static bfd_boolean
6174 sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
6175 const Elf_Internal_Rela *relocs)
6176 {
6177 Elf_Internal_Shdr *symtab_hdr;
6178 struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
6179 struct elf_sh_link_hash_table *htab;
6180 const Elf_Internal_Rela *rel;
6181 const Elf_Internal_Rela *rel_end;
6182 bfd_vma *local_got_offsets;
6183 asection *sgot;
6184 asection *srelgot;
6185 asection *sreloc;
6186 unsigned int r_type;
6187 int tls_type, old_tls_type;
6188
6189 sgot = NULL;
6190 srelgot = NULL;
6191 sreloc = NULL;
6192
6193 if (info->relocatable)
6194 return TRUE;
6195
6196 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
6197 sym_hashes = elf_sym_hashes (abfd);
6198 sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
6199 if (!elf_bad_symtab (abfd))
6200 sym_hashes_end -= symtab_hdr->sh_info;
6201
6202 htab = sh_elf_hash_table (info);
6203 local_got_offsets = elf_local_got_offsets (abfd);
6204
6205 rel_end = relocs + sec->reloc_count;
6206 for (rel = relocs; rel < rel_end; rel++)
6207 {
6208 struct elf_link_hash_entry *h;
6209 unsigned long r_symndx;
6210 #ifdef INCLUDE_SHMEDIA
6211 int seen_stt_datalabel = 0;
6212 #endif
6213
6214 r_symndx = ELF32_R_SYM (rel->r_info);
6215 r_type = ELF32_R_TYPE (rel->r_info);
6216
6217 if (r_symndx < symtab_hdr->sh_info)
6218 h = NULL;
6219 else
6220 {
6221 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
6222 while (h->root.type == bfd_link_hash_indirect
6223 || h->root.type == bfd_link_hash_warning)
6224 {
6225 #ifdef INCLUDE_SHMEDIA
6226 seen_stt_datalabel |= h->type == STT_DATALABEL;
6227 #endif
6228 h = (struct elf_link_hash_entry *) h->root.u.i.link;
6229 }
6230 }
6231
6232 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
6233 if (! info->shared
6234 && r_type == R_SH_TLS_IE_32
6235 && h != NULL
6236 && h->root.type != bfd_link_hash_undefined
6237 && h->root.type != bfd_link_hash_undefweak
6238 && (h->dynindx == -1
6239 || h->def_regular))
6240 r_type = R_SH_TLS_LE_32;
6241
6242 /* Some relocs require a global offset table. */
6243 if (htab->sgot == NULL)
6244 {
6245 switch (r_type)
6246 {
6247 case R_SH_GOTPLT32:
6248 case R_SH_GOT32:
6249 case R_SH_GOTOFF:
6250 case R_SH_GOTPC:
6251 #ifdef INCLUDE_SHMEDIA
6252 case R_SH_GOTPLT_LOW16:
6253 case R_SH_GOTPLT_MEDLOW16:
6254 case R_SH_GOTPLT_MEDHI16:
6255 case R_SH_GOTPLT_HI16:
6256 case R_SH_GOTPLT10BY4:
6257 case R_SH_GOTPLT10BY8:
6258 case R_SH_GOT_LOW16:
6259 case R_SH_GOT_MEDLOW16:
6260 case R_SH_GOT_MEDHI16:
6261 case R_SH_GOT_HI16:
6262 case R_SH_GOT10BY4:
6263 case R_SH_GOT10BY8:
6264 case R_SH_GOTOFF_LOW16:
6265 case R_SH_GOTOFF_MEDLOW16:
6266 case R_SH_GOTOFF_MEDHI16:
6267 case R_SH_GOTOFF_HI16:
6268 case R_SH_GOTPC_LOW16:
6269 case R_SH_GOTPC_MEDLOW16:
6270 case R_SH_GOTPC_MEDHI16:
6271 case R_SH_GOTPC_HI16:
6272 #endif
6273 case R_SH_TLS_GD_32:
6274 case R_SH_TLS_LD_32:
6275 case R_SH_TLS_IE_32:
6276 if (htab->sgot == NULL)
6277 {
6278 if (htab->root.dynobj == NULL)
6279 htab->root.dynobj = abfd;
6280 if (!create_got_section (htab->root.dynobj, info))
6281 return FALSE;
6282 }
6283 break;
6284
6285 default:
6286 break;
6287 }
6288 }
6289
6290 switch (r_type)
6291 {
6292 /* This relocation describes the C++ object vtable hierarchy.
6293 Reconstruct it for later use during GC. */
6294 case R_SH_GNU_VTINHERIT:
6295 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
6296 return FALSE;
6297 break;
6298
6299 /* This relocation describes which C++ vtable entries are actually
6300 used. Record for later use during GC. */
6301 case R_SH_GNU_VTENTRY:
6302 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
6303 return FALSE;
6304 break;
6305
6306 case R_SH_TLS_IE_32:
6307 if (info->shared)
6308 info->flags |= DF_STATIC_TLS;
6309
6310 /* FALLTHROUGH */
6311 force_got:
6312 case R_SH_TLS_GD_32:
6313 case R_SH_GOT32:
6314 #ifdef INCLUDE_SHMEDIA
6315 case R_SH_GOT_LOW16:
6316 case R_SH_GOT_MEDLOW16:
6317 case R_SH_GOT_MEDHI16:
6318 case R_SH_GOT_HI16:
6319 case R_SH_GOT10BY4:
6320 case R_SH_GOT10BY8:
6321 #endif
6322 switch (r_type)
6323 {
6324 default:
6325 tls_type = GOT_NORMAL;
6326 break;
6327 case R_SH_TLS_GD_32:
6328 tls_type = GOT_TLS_GD;
6329 break;
6330 case R_SH_TLS_IE_32:
6331 tls_type = GOT_TLS_IE;
6332 break;
6333 }
6334
6335 if (h != NULL)
6336 {
6337 #ifdef INCLUDE_SHMEDIA
6338 if (seen_stt_datalabel)
6339 {
6340 struct elf_sh_link_hash_entry *eh
6341 = (struct elf_sh_link_hash_entry *) h;
6342
6343 eh->datalabel_got.refcount += 1;
6344 }
6345 else
6346 #endif
6347 h->got.refcount += 1;
6348 old_tls_type = sh_elf_hash_entry (h)->tls_type;
6349 }
6350 else
6351 {
6352 bfd_signed_vma *local_got_refcounts;
6353
6354 /* This is a global offset table entry for a local
6355 symbol. */
6356 local_got_refcounts = elf_local_got_refcounts (abfd);
6357 if (local_got_refcounts == NULL)
6358 {
6359 bfd_size_type size;
6360
6361 size = symtab_hdr->sh_info;
6362 size *= sizeof (bfd_signed_vma);
6363 #ifdef INCLUDE_SHMEDIA
6364 /* Reserve space for both the datalabel and
6365 codelabel local GOT offsets. */
6366 size *= 2;
6367 #endif
6368 size += symtab_hdr->sh_info;
6369 local_got_refcounts = ((bfd_signed_vma *)
6370 bfd_zalloc (abfd, size));
6371 if (local_got_refcounts == NULL)
6372 return FALSE;
6373 elf_local_got_refcounts (abfd) = local_got_refcounts;
6374 #ifdef INCLUDE_SHMEDIA
6375 /* Take care of both the datalabel and codelabel local
6376 GOT offsets. */
6377 sh_elf_local_got_tls_type (abfd)
6378 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
6379 #else
6380 sh_elf_local_got_tls_type (abfd)
6381 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
6382 #endif
6383 }
6384 #ifdef INCLUDE_SHMEDIA
6385 if (rel->r_addend & 1)
6386 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
6387 else
6388 #endif
6389 local_got_refcounts[r_symndx] += 1;
6390 old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
6391 }
6392
6393 /* If a TLS symbol is accessed using IE at least once,
6394 there is no point to use dynamic model for it. */
6395 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
6396 && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
6397 {
6398 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
6399 tls_type = GOT_TLS_IE;
6400 else
6401 {
6402 (*_bfd_error_handler)
6403 (_("%B: `%s' accessed both as normal and thread local symbol"),
6404 abfd, h->root.root.string);
6405 return FALSE;
6406 }
6407 }
6408
6409 if (old_tls_type != tls_type)
6410 {
6411 if (h != NULL)
6412 sh_elf_hash_entry (h)->tls_type = tls_type;
6413 else
6414 sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
6415 }
6416
6417 break;
6418
6419 case R_SH_TLS_LD_32:
6420 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
6421 break;
6422
6423 case R_SH_GOTPLT32:
6424 #ifdef INCLUDE_SHMEDIA
6425 case R_SH_GOTPLT_LOW16:
6426 case R_SH_GOTPLT_MEDLOW16:
6427 case R_SH_GOTPLT_MEDHI16:
6428 case R_SH_GOTPLT_HI16:
6429 case R_SH_GOTPLT10BY4:
6430 case R_SH_GOTPLT10BY8:
6431 #endif
6432 /* If this is a local symbol, we resolve it directly without
6433 creating a procedure linkage table entry. */
6434
6435 if (h == NULL
6436 || h->forced_local
6437 || ! info->shared
6438 || info->symbolic
6439 || h->dynindx == -1)
6440 goto force_got;
6441
6442 h->needs_plt = 1;
6443 h->plt.refcount += 1;
6444 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
6445
6446 break;
6447
6448 case R_SH_PLT32:
6449 #ifdef INCLUDE_SHMEDIA
6450 case R_SH_PLT_LOW16:
6451 case R_SH_PLT_MEDLOW16:
6452 case R_SH_PLT_MEDHI16:
6453 case R_SH_PLT_HI16:
6454 #endif
6455 /* This symbol requires a procedure linkage table entry. We
6456 actually build the entry in adjust_dynamic_symbol,
6457 because this might be a case of linking PIC code which is
6458 never referenced by a dynamic object, in which case we
6459 don't need to generate a procedure linkage table entry
6460 after all. */
6461
6462 /* If this is a local symbol, we resolve it directly without
6463 creating a procedure linkage table entry. */
6464 if (h == NULL)
6465 continue;
6466
6467 if (h->forced_local)
6468 break;
6469
6470 h->needs_plt = 1;
6471 h->plt.refcount += 1;
6472 break;
6473
6474 case R_SH_DIR32:
6475 case R_SH_REL32:
6476 #ifdef INCLUDE_SHMEDIA
6477 case R_SH_IMM_LOW16_PCREL:
6478 case R_SH_IMM_MEDLOW16_PCREL:
6479 case R_SH_IMM_MEDHI16_PCREL:
6480 case R_SH_IMM_HI16_PCREL:
6481 #endif
6482 if (h != NULL && ! info->shared)
6483 {
6484 h->non_got_ref = 1;
6485 h->plt.refcount += 1;
6486 }
6487
6488 /* If we are creating a shared library, and this is a reloc
6489 against a global symbol, or a non PC relative reloc
6490 against a local symbol, then we need to copy the reloc
6491 into the shared library. However, if we are linking with
6492 -Bsymbolic, we do not need to copy a reloc against a
6493 global symbol which is defined in an object we are
6494 including in the link (i.e., DEF_REGULAR is set). At
6495 this point we have not seen all the input files, so it is
6496 possible that DEF_REGULAR is not set now but will be set
6497 later (it is never cleared). We account for that
6498 possibility below by storing information in the
6499 dyn_relocs field of the hash table entry. A similar
6500 situation occurs when creating shared libraries and symbol
6501 visibility changes render the symbol local.
6502
6503 If on the other hand, we are creating an executable, we
6504 may need to keep relocations for symbols satisfied by a
6505 dynamic library if we manage to avoid copy relocs for the
6506 symbol. */
6507 if ((info->shared
6508 && (sec->flags & SEC_ALLOC) != 0
6509 && (r_type != R_SH_REL32
6510 || (h != NULL
6511 && (! info->symbolic
6512 || h->root.type == bfd_link_hash_defweak
6513 || !h->def_regular))))
6514 || (! info->shared
6515 && (sec->flags & SEC_ALLOC) != 0
6516 && h != NULL
6517 && (h->root.type == bfd_link_hash_defweak
6518 || !h->def_regular)))
6519 {
6520 struct elf_sh_dyn_relocs *p;
6521 struct elf_sh_dyn_relocs **head;
6522
6523 if (htab->root.dynobj == NULL)
6524 htab->root.dynobj = abfd;
6525
6526 /* When creating a shared object, we must copy these
6527 reloc types into the output file. We create a reloc
6528 section in dynobj and make room for this reloc. */
6529 if (sreloc == NULL)
6530 {
6531 const char *name;
6532
6533 name = (bfd_elf_string_from_elf_section
6534 (abfd,
6535 elf_elfheader (abfd)->e_shstrndx,
6536 elf_section_data (sec)->rel_hdr.sh_name));
6537 if (name == NULL)
6538 return FALSE;
6539
6540 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
6541 && strcmp (bfd_get_section_name (abfd, sec),
6542 name + 5) == 0);
6543
6544 sreloc = bfd_get_section_by_name (htab->root.dynobj, name);
6545 if (sreloc == NULL)
6546 {
6547 flagword flags;
6548
6549 flags = (SEC_HAS_CONTENTS | SEC_READONLY
6550 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
6551 if ((sec->flags & SEC_ALLOC) != 0)
6552 flags |= SEC_ALLOC | SEC_LOAD;
6553 sreloc = bfd_make_section_with_flags (htab->root.dynobj,
6554 name,
6555 flags);
6556 if (sreloc == NULL
6557 || ! bfd_set_section_alignment (htab->root.dynobj,
6558 sreloc, 2))
6559 return FALSE;
6560 }
6561 elf_section_data (sec)->sreloc = sreloc;
6562 }
6563
6564 /* If this is a global symbol, we count the number of
6565 relocations we need for this symbol. */
6566 if (h != NULL)
6567 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
6568 else
6569 {
6570 asection *s;
6571 void *vpp;
6572
6573 /* Track dynamic relocs needed for local syms too. */
6574 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
6575 sec, r_symndx);
6576 if (s == NULL)
6577 return FALSE;
6578
6579 vpp = &elf_section_data (s)->local_dynrel;
6580 head = (struct elf_sh_dyn_relocs **) vpp;
6581 }
6582
6583 p = *head;
6584 if (p == NULL || p->sec != sec)
6585 {
6586 bfd_size_type amt = sizeof (*p);
6587 p = bfd_alloc (htab->root.dynobj, amt);
6588 if (p == NULL)
6589 return FALSE;
6590 p->next = *head;
6591 *head = p;
6592 p->sec = sec;
6593 p->count = 0;
6594 p->pc_count = 0;
6595 }
6596
6597 p->count += 1;
6598 if (r_type == R_SH_REL32
6599 #ifdef INCLUDE_SHMEDIA
6600 || r_type == R_SH_IMM_LOW16_PCREL
6601 || r_type == R_SH_IMM_MEDLOW16_PCREL
6602 || r_type == R_SH_IMM_MEDHI16_PCREL
6603 || r_type == R_SH_IMM_HI16_PCREL
6604 #endif
6605 )
6606 p->pc_count += 1;
6607 }
6608
6609 break;
6610
6611 case R_SH_TLS_LE_32:
6612 if (info->shared)
6613 {
6614 (*_bfd_error_handler)
6615 (_("%B: TLS local exec code cannot be linked into shared objects"),
6616 abfd);
6617 return FALSE;
6618 }
6619
6620 break;
6621
6622 case R_SH_TLS_LDO_32:
6623 /* Nothing to do. */
6624 break;
6625
6626 default:
6627 break;
6628 }
6629 }
6630
6631 return TRUE;
6632 }
6633
6634 #ifndef sh_elf_set_mach_from_flags
6635 static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
6636
6637 static bfd_boolean
6638 sh_elf_set_mach_from_flags (bfd *abfd)
6639 {
6640 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
6641
6642 if (flags >= sizeof(sh_ef_bfd_table))
6643 return FALSE;
6644
6645 if (sh_ef_bfd_table[flags] == 0)
6646 return FALSE;
6647
6648 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
6649
6650 return TRUE;
6651 }
6652
6653
6654 /* Reverse table lookup for sh_ef_bfd_table[].
6655 Given a bfd MACH value from archures.c
6656 return the equivalent ELF flags from the table.
6657 Return -1 if no match is found. */
6658
6659 int
6660 sh_elf_get_flags_from_mach (unsigned long mach)
6661 {
6662 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
6663
6664 for (; i>0; i--)
6665 if (sh_ef_bfd_table[i] == mach)
6666 return i;
6667
6668 /* shouldn't get here */
6669 BFD_FAIL();
6670
6671 return -1;
6672 }
6673 #endif /* not sh_elf_set_mach_from_flags */
6674
6675 #ifndef sh_elf_set_private_flags
6676 /* Function to keep SH specific file flags. */
6677
6678 static bfd_boolean
6679 sh_elf_set_private_flags (bfd *abfd, flagword flags)
6680 {
6681 BFD_ASSERT (! elf_flags_init (abfd)
6682 || elf_elfheader (abfd)->e_flags == flags);
6683
6684 elf_elfheader (abfd)->e_flags = flags;
6685 elf_flags_init (abfd) = TRUE;
6686 return sh_elf_set_mach_from_flags (abfd);
6687 }
6688 #endif /* not sh_elf_set_private_flags */
6689
6690 #ifndef sh_elf_copy_private_data
6691 /* Copy backend specific data from one object module to another */
6692
6693 static bfd_boolean
6694 sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
6695 {
6696 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
6697 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
6698 return TRUE;
6699
6700 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
6701 }
6702 #endif /* not sh_elf_copy_private_data */
6703
6704 #ifndef sh_elf_merge_private_data
6705
6706 /* This function returns the ELF architecture number that
6707 corresponds to the given arch_sh* flags. */
6708
6709 int
6710 sh_find_elf_flags (unsigned int arch_set)
6711 {
6712 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
6713 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
6714
6715 return sh_elf_get_flags_from_mach (bfd_mach);
6716 }
6717
6718 /* This routine initialises the elf flags when required and
6719 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
6720
6721 static bfd_boolean
6722 sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
6723 {
6724 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
6725
6726 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
6727 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
6728 return TRUE;
6729
6730 if (! elf_flags_init (obfd))
6731 {
6732 /* This happens when ld starts out with a 'blank' output file. */
6733 elf_flags_init (obfd) = TRUE;
6734 elf_elfheader (obfd)->e_flags = EF_SH1;
6735 sh_elf_set_mach_from_flags (obfd);
6736 }
6737
6738 if (! sh_merge_bfd_arch (ibfd, obfd))
6739 {
6740 _bfd_error_handler ("%B: uses instructions which are incompatible "
6741 "with instructions used in previous modules",
6742 ibfd);
6743 bfd_set_error (bfd_error_bad_value);
6744 return FALSE;
6745 }
6746
6747 elf_elfheader (obfd)->e_flags =
6748 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
6749
6750 return TRUE;
6751 }
6752 #endif /* not sh_elf_merge_private_data */
6753
6754 /* Override the generic function because we need to store sh_elf_obj_tdata
6755 as the specific tdata. We set also the machine architecture from flags
6756 here. */
6757
6758 static bfd_boolean
6759 sh_elf_object_p (bfd *abfd)
6760 {
6761 return sh_elf_set_mach_from_flags (abfd);
6762 }
6763
6764 /* Finish up dynamic symbol handling. We set the contents of various
6765 dynamic sections here. */
6766
6767 static bfd_boolean
6768 sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6769 struct elf_link_hash_entry *h,
6770 Elf_Internal_Sym *sym)
6771 {
6772 struct elf_sh_link_hash_table *htab;
6773
6774 htab = sh_elf_hash_table (info);
6775
6776 if (h->plt.offset != (bfd_vma) -1)
6777 {
6778 asection *splt;
6779 asection *sgot;
6780 asection *srel;
6781
6782 bfd_vma plt_index;
6783 bfd_vma got_offset;
6784 Elf_Internal_Rela rel;
6785 bfd_byte *loc;
6786
6787 /* This symbol has an entry in the procedure linkage table. Set
6788 it up. */
6789
6790 BFD_ASSERT (h->dynindx != -1);
6791
6792 splt = htab->splt;
6793 sgot = htab->sgotplt;
6794 srel = htab->srelplt;
6795 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
6796
6797 /* Get the index in the procedure linkage table which
6798 corresponds to this symbol. This is the index of this symbol
6799 in all the symbols for which we are making plt entries. The
6800 first entry in the procedure linkage table is reserved. */
6801 plt_index = h->plt.offset / elf_sh_sizeof_plt (info) - 1;
6802
6803 /* Get the offset into the .got table of the entry that
6804 corresponds to this function. Each .got entry is 4 bytes.
6805 The first three are reserved. */
6806 got_offset = (plt_index + 3) * 4;
6807
6808 #ifdef GOT_BIAS
6809 if (info->shared)
6810 got_offset -= GOT_BIAS;
6811 #endif
6812
6813 /* Fill in the entry in the procedure linkage table. */
6814 if (! info->shared)
6815 {
6816 if (elf_sh_plt_entry == NULL)
6817 {
6818 elf_sh_plt_entry = (bfd_big_endian (output_bfd) ?
6819 elf_sh_plt_entry_be : elf_sh_plt_entry_le);
6820 }
6821 memcpy (splt->contents + h->plt.offset, elf_sh_plt_entry,
6822 elf_sh_sizeof_plt (info));
6823 #ifdef INCLUDE_SHMEDIA
6824 movi_shori_putval (output_bfd,
6825 (sgot->output_section->vma
6826 + sgot->output_offset
6827 + got_offset),
6828 (splt->contents + h->plt.offset
6829 + elf_sh_plt_symbol_offset (info)));
6830
6831 /* Set bottom bit because its for a branch to SHmedia */
6832 movi_shori_putval (output_bfd,
6833 (splt->output_section->vma + splt->output_offset)
6834 | 1,
6835 (splt->contents + h->plt.offset
6836 + elf_sh_plt_plt0_offset (info)));
6837 #else
6838 bfd_put_32 (output_bfd,
6839 (sgot->output_section->vma
6840 + sgot->output_offset
6841 + got_offset),
6842 (splt->contents + h->plt.offset
6843 + elf_sh_plt_symbol_offset (info)));
6844
6845 bfd_put_32 (output_bfd,
6846 (splt->output_section->vma + splt->output_offset),
6847 (splt->contents + h->plt.offset
6848 + elf_sh_plt_plt0_offset (info)));
6849 #endif
6850 }
6851 else
6852 {
6853 if (elf_sh_pic_plt_entry == NULL)
6854 {
6855 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
6856 elf_sh_pic_plt_entry_be :
6857 elf_sh_pic_plt_entry_le);
6858 }
6859 memcpy (splt->contents + h->plt.offset, elf_sh_pic_plt_entry,
6860 elf_sh_sizeof_plt (info));
6861 #ifdef INCLUDE_SHMEDIA
6862 movi_shori_putval (output_bfd, got_offset,
6863 (splt->contents + h->plt.offset
6864 + elf_sh_plt_symbol_offset (info)));
6865 #else
6866 bfd_put_32 (output_bfd, got_offset,
6867 (splt->contents + h->plt.offset
6868 + elf_sh_plt_symbol_offset (info)));
6869 #endif
6870 }
6871
6872 #ifdef GOT_BIAS
6873 if (info->shared)
6874 got_offset += GOT_BIAS;
6875 #endif
6876
6877 #ifdef INCLUDE_SHMEDIA
6878 movi_shori_putval (output_bfd,
6879 plt_index * sizeof (Elf32_External_Rela),
6880 (splt->contents + h->plt.offset
6881 + elf_sh_plt_reloc_offset (info)));
6882 #else
6883 bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
6884 (splt->contents + h->plt.offset
6885 + elf_sh_plt_reloc_offset (info)));
6886 #endif
6887
6888 /* Fill in the entry in the global offset table. */
6889 bfd_put_32 (output_bfd,
6890 (splt->output_section->vma
6891 + splt->output_offset
6892 + h->plt.offset
6893 + elf_sh_plt_temp_offset (info)),
6894 sgot->contents + got_offset);
6895
6896 /* Fill in the entry in the .rela.plt section. */
6897 rel.r_offset = (sgot->output_section->vma
6898 + sgot->output_offset
6899 + got_offset);
6900 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
6901 rel.r_addend = 0;
6902 #ifdef GOT_BIAS
6903 rel.r_addend = GOT_BIAS;
6904 #endif
6905 loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
6906 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6907
6908 if (!h->def_regular)
6909 {
6910 /* Mark the symbol as undefined, rather than as defined in
6911 the .plt section. Leave the value alone. */
6912 sym->st_shndx = SHN_UNDEF;
6913 }
6914 }
6915
6916 if (h->got.offset != (bfd_vma) -1
6917 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
6918 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
6919 {
6920 asection *sgot;
6921 asection *srel;
6922 Elf_Internal_Rela rel;
6923 bfd_byte *loc;
6924
6925 /* This symbol has an entry in the global offset table. Set it
6926 up. */
6927
6928 sgot = htab->sgot;
6929 srel = htab->srelgot;
6930 BFD_ASSERT (sgot != NULL && srel != NULL);
6931
6932 rel.r_offset = (sgot->output_section->vma
6933 + sgot->output_offset
6934 + (h->got.offset &~ (bfd_vma) 1));
6935
6936 /* If this is a static link, or it is a -Bsymbolic link and the
6937 symbol is defined locally or was forced to be local because
6938 of a version file, we just want to emit a RELATIVE reloc.
6939 The entry in the global offset table will already have been
6940 initialized in the relocate_section function. */
6941 if (info->shared
6942 && SYMBOL_REFERENCES_LOCAL (info, h))
6943 {
6944 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6945 rel.r_addend = (h->root.u.def.value
6946 + h->root.u.def.section->output_section->vma
6947 + h->root.u.def.section->output_offset);
6948 }
6949 else
6950 {
6951 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6952 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6953 rel.r_addend = 0;
6954 }
6955
6956 loc = srel->contents;
6957 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
6958 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6959 }
6960
6961 #ifdef INCLUDE_SHMEDIA
6962 {
6963 struct elf_sh_link_hash_entry *eh;
6964
6965 eh = (struct elf_sh_link_hash_entry *) h;
6966 if (eh->datalabel_got.offset != (bfd_vma) -1)
6967 {
6968 asection *sgot;
6969 asection *srel;
6970 Elf_Internal_Rela rel;
6971 bfd_byte *loc;
6972
6973 /* This symbol has a datalabel entry in the global offset table.
6974 Set it up. */
6975
6976 sgot = htab->sgot;
6977 srel = htab->srelgot;
6978 BFD_ASSERT (sgot != NULL && srel != NULL);
6979
6980 rel.r_offset = (sgot->output_section->vma
6981 + sgot->output_offset
6982 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
6983
6984 /* If this is a static link, or it is a -Bsymbolic link and the
6985 symbol is defined locally or was forced to be local because
6986 of a version file, we just want to emit a RELATIVE reloc.
6987 The entry in the global offset table will already have been
6988 initialized in the relocate_section function. */
6989 if (info->shared
6990 && SYMBOL_REFERENCES_LOCAL (info, h))
6991 {
6992 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6993 rel.r_addend = (h->root.u.def.value
6994 + h->root.u.def.section->output_section->vma
6995 + h->root.u.def.section->output_offset);
6996 }
6997 else
6998 {
6999 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
7000 + eh->datalabel_got.offset);
7001 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
7002 rel.r_addend = 0;
7003 }
7004
7005 loc = srel->contents;
7006 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
7007 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7008 }
7009 }
7010 #endif
7011
7012 if (h->needs_copy)
7013 {
7014 asection *s;
7015 Elf_Internal_Rela rel;
7016 bfd_byte *loc;
7017
7018 /* This symbol needs a copy reloc. Set it up. */
7019
7020 BFD_ASSERT (h->dynindx != -1
7021 && (h->root.type == bfd_link_hash_defined
7022 || h->root.type == bfd_link_hash_defweak));
7023
7024 s = bfd_get_section_by_name (h->root.u.def.section->owner,
7025 ".rela.bss");
7026 BFD_ASSERT (s != NULL);
7027
7028 rel.r_offset = (h->root.u.def.value
7029 + h->root.u.def.section->output_section->vma
7030 + h->root.u.def.section->output_offset);
7031 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
7032 rel.r_addend = 0;
7033 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
7034 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7035 }
7036
7037 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
7038 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
7039 || h == htab->root.hgot)
7040 sym->st_shndx = SHN_ABS;
7041
7042 return TRUE;
7043 }
7044
7045 /* Finish up the dynamic sections. */
7046
7047 static bfd_boolean
7048 sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
7049 {
7050 struct elf_sh_link_hash_table *htab;
7051 asection *sgot;
7052 asection *sdyn;
7053
7054 htab = sh_elf_hash_table (info);
7055 sgot = htab->sgotplt;
7056 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
7057
7058 if (htab->root.dynamic_sections_created)
7059 {
7060 asection *splt;
7061 Elf32_External_Dyn *dyncon, *dynconend;
7062
7063 BFD_ASSERT (sgot != NULL && sdyn != NULL);
7064
7065 dyncon = (Elf32_External_Dyn *) sdyn->contents;
7066 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
7067 for (; dyncon < dynconend; dyncon++)
7068 {
7069 Elf_Internal_Dyn dyn;
7070 asection *s;
7071 #ifdef INCLUDE_SHMEDIA
7072 const char *name;
7073 #endif
7074
7075 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
7076
7077 switch (dyn.d_tag)
7078 {
7079 default:
7080 break;
7081
7082 #ifdef INCLUDE_SHMEDIA
7083 case DT_INIT:
7084 name = info->init_function;
7085 goto get_sym;
7086
7087 case DT_FINI:
7088 name = info->fini_function;
7089 get_sym:
7090 if (dyn.d_un.d_val != 0)
7091 {
7092 struct elf_link_hash_entry *h;
7093
7094 h = elf_link_hash_lookup (&htab->root, name,
7095 FALSE, FALSE, TRUE);
7096 if (h != NULL && (h->other & STO_SH5_ISA32))
7097 {
7098 dyn.d_un.d_val |= 1;
7099 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7100 }
7101 }
7102 break;
7103 #endif
7104
7105 case DT_PLTGOT:
7106 s = htab->sgot->output_section;
7107 goto get_vma;
7108
7109 case DT_JMPREL:
7110 s = htab->srelplt->output_section;
7111 get_vma:
7112 BFD_ASSERT (s != NULL);
7113 dyn.d_un.d_ptr = s->vma;
7114 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7115 break;
7116
7117 case DT_PLTRELSZ:
7118 s = htab->srelplt->output_section;
7119 BFD_ASSERT (s != NULL);
7120 dyn.d_un.d_val = s->size;
7121 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7122 break;
7123
7124 case DT_RELASZ:
7125 /* My reading of the SVR4 ABI indicates that the
7126 procedure linkage table relocs (DT_JMPREL) should be
7127 included in the overall relocs (DT_RELA). This is
7128 what Solaris does. However, UnixWare can not handle
7129 that case. Therefore, we override the DT_RELASZ entry
7130 here to make it not include the JMPREL relocs. Since
7131 the linker script arranges for .rela.plt to follow all
7132 other relocation sections, we don't have to worry
7133 about changing the DT_RELA entry. */
7134 if (htab->srelplt != NULL)
7135 {
7136 s = htab->srelplt->output_section;
7137 dyn.d_un.d_val -= s->size;
7138 }
7139 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7140 break;
7141 }
7142 }
7143
7144 /* Fill in the first entry in the procedure linkage table. */
7145 splt = htab->splt;
7146 if (splt && splt->size > 0)
7147 {
7148 if (info->shared)
7149 {
7150 if (elf_sh_pic_plt_entry == NULL)
7151 {
7152 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
7153 elf_sh_pic_plt_entry_be :
7154 elf_sh_pic_plt_entry_le);
7155 }
7156 memcpy (splt->contents, elf_sh_pic_plt_entry,
7157 elf_sh_sizeof_plt (info));
7158 }
7159 else
7160 {
7161 if (elf_sh_plt0_entry == NULL)
7162 {
7163 elf_sh_plt0_entry = (bfd_big_endian (output_bfd) ?
7164 elf_sh_plt0_entry_be :
7165 elf_sh_plt0_entry_le);
7166 }
7167 memcpy (splt->contents, elf_sh_plt0_entry, PLT_ENTRY_SIZE);
7168 #ifdef INCLUDE_SHMEDIA
7169 movi_shori_putval (output_bfd,
7170 sgot->output_section->vma
7171 + sgot->output_offset,
7172 splt->contents
7173 + elf_sh_plt0_gotplt_offset (info));
7174 #else
7175 bfd_put_32 (output_bfd,
7176 sgot->output_section->vma + sgot->output_offset + 4,
7177 splt->contents + elf_sh_plt0_gotid_offset (info));
7178 bfd_put_32 (output_bfd,
7179 sgot->output_section->vma + sgot->output_offset + 8,
7180 splt->contents + elf_sh_plt0_linker_offset (info));
7181 #endif
7182 }
7183
7184 /* UnixWare sets the entsize of .plt to 4, although that doesn't
7185 really seem like the right value. */
7186 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
7187 }
7188 }
7189
7190 /* Fill in the first three entries in the global offset table. */
7191 if (sgot && sgot->size > 0)
7192 {
7193 if (sdyn == NULL)
7194 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
7195 else
7196 bfd_put_32 (output_bfd,
7197 sdyn->output_section->vma + sdyn->output_offset,
7198 sgot->contents);
7199 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
7200 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
7201
7202 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
7203 }
7204
7205 return TRUE;
7206 }
7207
7208 static enum elf_reloc_type_class
7209 sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
7210 {
7211 switch ((int) ELF32_R_TYPE (rela->r_info))
7212 {
7213 case R_SH_RELATIVE:
7214 return reloc_class_relative;
7215 case R_SH_JMP_SLOT:
7216 return reloc_class_plt;
7217 case R_SH_COPY:
7218 return reloc_class_copy;
7219 default:
7220 return reloc_class_normal;
7221 }
7222 }
7223
7224 #if !defined SH_TARGET_ALREADY_DEFINED
7225 /* Support for Linux core dump NOTE sections. */
7226
7227 static bfd_boolean
7228 elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
7229 {
7230 int offset;
7231 unsigned int size;
7232
7233 switch (note->descsz)
7234 {
7235 default:
7236 return FALSE;
7237
7238 case 168: /* Linux/SH */
7239 /* pr_cursig */
7240 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
7241
7242 /* pr_pid */
7243 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
7244
7245 /* pr_reg */
7246 offset = 72;
7247 size = 92;
7248
7249 break;
7250 }
7251
7252 /* Make a ".reg/999" section. */
7253 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
7254 size, note->descpos + offset);
7255 }
7256
7257 static bfd_boolean
7258 elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
7259 {
7260 switch (note->descsz)
7261 {
7262 default:
7263 return FALSE;
7264
7265 case 124: /* Linux/SH elf_prpsinfo */
7266 elf_tdata (abfd)->core_program
7267 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
7268 elf_tdata (abfd)->core_command
7269 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
7270 }
7271
7272 /* Note that for some reason, a spurious space is tacked
7273 onto the end of the args in some (at least one anyway)
7274 implementations, so strip it off if it exists. */
7275
7276 {
7277 char *command = elf_tdata (abfd)->core_command;
7278 int n = strlen (command);
7279
7280 if (0 < n && command[n - 1] == ' ')
7281 command[n - 1] = '\0';
7282 }
7283
7284 return TRUE;
7285 }
7286 #endif /* not SH_TARGET_ALREADY_DEFINED */
7287
7288
7289 /* Return address for Ith PLT stub in section PLT, for relocation REL
7290 or (bfd_vma) -1 if it should not be included. */
7291
7292 static bfd_vma
7293 sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
7294 const arelent *rel ATTRIBUTE_UNUSED)
7295 {
7296 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
7297 }
7298
7299 #if !defined SH_TARGET_ALREADY_DEFINED
7300 #define TARGET_BIG_SYM bfd_elf32_sh_vec
7301 #define TARGET_BIG_NAME "elf32-sh"
7302 #define TARGET_LITTLE_SYM bfd_elf32_shl_vec
7303 #define TARGET_LITTLE_NAME "elf32-shl"
7304 #endif
7305
7306 #define ELF_ARCH bfd_arch_sh
7307 #define ELF_MACHINE_CODE EM_SH
7308 #ifdef __QNXTARGET__
7309 #define ELF_MAXPAGESIZE 0x1000
7310 #else
7311 #define ELF_MAXPAGESIZE 0x80
7312 #endif
7313
7314 #define elf_symbol_leading_char '_'
7315
7316 #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
7317 #define elf_info_to_howto sh_elf_info_to_howto
7318 #define bfd_elf32_bfd_relax_section sh_elf_relax_section
7319 #define elf_backend_relocate_section sh_elf_relocate_section
7320 #define bfd_elf32_bfd_get_relocated_section_contents \
7321 sh_elf_get_relocated_section_contents
7322 #define bfd_elf32_mkobject sh_elf_mkobject
7323 #define elf_backend_object_p sh_elf_object_p
7324 #define bfd_elf32_bfd_set_private_bfd_flags \
7325 sh_elf_set_private_flags
7326 #define bfd_elf32_bfd_copy_private_bfd_data \
7327 sh_elf_copy_private_data
7328 #define bfd_elf32_bfd_merge_private_bfd_data \
7329 sh_elf_merge_private_data
7330
7331 #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
7332 #define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
7333 #define elf_backend_check_relocs sh_elf_check_relocs
7334 #define elf_backend_copy_indirect_symbol \
7335 sh_elf_copy_indirect_symbol
7336 #define elf_backend_create_dynamic_sections \
7337 sh_elf_create_dynamic_sections
7338 #define bfd_elf32_bfd_link_hash_table_create \
7339 sh_elf_link_hash_table_create
7340 #define elf_backend_adjust_dynamic_symbol \
7341 sh_elf_adjust_dynamic_symbol
7342 #define elf_backend_size_dynamic_sections \
7343 sh_elf_size_dynamic_sections
7344 #define elf_backend_finish_dynamic_symbol \
7345 sh_elf_finish_dynamic_symbol
7346 #define elf_backend_finish_dynamic_sections \
7347 sh_elf_finish_dynamic_sections
7348 #define elf_backend_reloc_type_class sh_elf_reloc_type_class
7349 #define elf_backend_plt_sym_val sh_elf_plt_sym_val
7350
7351 #define elf_backend_can_gc_sections 1
7352 #define elf_backend_can_refcount 1
7353 #define elf_backend_want_got_plt 1
7354 #define elf_backend_plt_readonly 1
7355 #define elf_backend_want_plt_sym 0
7356 #define elf_backend_got_header_size 12
7357
7358 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
7359
7360 #include "elf32-target.h"
7361
7362 /* NetBSD support. */
7363 #undef TARGET_BIG_SYM
7364 #define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
7365 #undef TARGET_BIG_NAME
7366 #define TARGET_BIG_NAME "elf32-sh-nbsd"
7367 #undef TARGET_LITTLE_SYM
7368 #define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
7369 #undef TARGET_LITTLE_NAME
7370 #define TARGET_LITTLE_NAME "elf32-shl-nbsd"
7371 #undef ELF_MAXPAGESIZE
7372 #define ELF_MAXPAGESIZE 0x10000
7373 #undef elf_symbol_leading_char
7374 #define elf_symbol_leading_char 0
7375 #undef elf32_bed
7376 #define elf32_bed elf32_sh_nbsd_bed
7377
7378 #include "elf32-target.h"
7379
7380
7381 /* Linux support. */
7382 #undef TARGET_BIG_SYM
7383 #define TARGET_BIG_SYM bfd_elf32_shblin_vec
7384 #undef TARGET_BIG_NAME
7385 #define TARGET_BIG_NAME "elf32-shbig-linux"
7386 #undef TARGET_LITTLE_SYM
7387 #define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
7388 #undef TARGET_LITTLE_NAME
7389 #define TARGET_LITTLE_NAME "elf32-sh-linux"
7390
7391 #undef elf_backend_grok_prstatus
7392 #define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
7393 #undef elf_backend_grok_psinfo
7394 #define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
7395 #undef elf32_bed
7396 #define elf32_bed elf32_sh_lin_bed
7397
7398 #include "elf32-target.h"
7399
7400 #endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
GDB Binutils - Deliverables
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